Judul: Perilaku Berdonasi Sukarela Masyarakat DKI Jakarta Selama Pandemi COVID-19 dan Faktor-Faktor yang Memengaruhinya.
Abstrak: Kebijakan Pembatasan Sosial Berskala Besar (PSBB) dan Pemberlakuan Pembatasan Kegiatan Masyarakat (PPKM) yang disebabkan oleh pandemi COVID-19 berdampak pada melemahnya pertumbuhan ekonomi, meningkatnya angka pengangguran dan kemiskinan di ibu kota DKI Jakarta. Ketika masyarakat banyak yang terdampak pandemi dan pendapatan masyarakat menurun, namun penghimpunan donasi selama pandemi COVID-19 meningkat. Penelitian ini bertujuan untuk menganalisis perilaku berdonasi sukarela masyarakat DKI Jakarta selama pandemi COVID-19. Penelitian ini menggunakan 100 responden muslim DKI Jakarta dengan beberapa kriteria lainnya. Metode analisis yang digunakan dalam penelitian ini adalah analisis deskriptif dan analisis regresi logistik. Berdasarkan hasil analisis deskriptif, karakteristik responden dalam penelitian ini didominasi usia 21 tahun hingga 24 tahun dan mayoritas responden yang pernah berdonasi sukarela (berinfak) selama pandemi COVID-19, jumlah infaknya meningkat. Berdasarkan hasil analisis regresi logistik, variabel yang berpengaruh signifikan terhadap perilaku berinfak masyarakat DKI Jakarta selama pandemi COVID-19 adalah momen, altruisme, reward, dan pendapatan., The Large-Scale Social Restriction Policy (PSBB) and the Implementation of Restrictions on Community Activities (PPKM) caused by the COVID-19 pandemic have an impact on weakening economic growth, increasing unemployment and poverty in the capital city of The Greater Jakarta. When many people were affected by the pandemic and people's incomes decreased, ZIS collection during the COVID-19 pandemic increased. This study aims to analyze the behavior of the people of Jakarta during the COVID-19 pandemic. This study uses 100 Muslim respondents in Jakarta with several other criteria. The analytical method used in this research is descriptive analysis and logistic regression analysis. Based on the results of descriptive analysis, the characteristics of respondents in this study were dominated by ages 21 to 24 years and the majority of respondents who had donated during the COVID-19 pandemic, the amount of infaq increased. Based on the results of logistic regression analysis, the variables that have a significant effect on the behavior of the people of Jakarta during the COVID-19 pandemic are moments, altruism, rewards, and income.
Keyword: COVID-19, Donation, Infaq, Behavior, Logistic Regression

Judul: Faktor-Faktor yang Mempengaruhi Keputusan Menabung di Bank Syariah Selama Pandemi COVID-19
Abstrak: The Indonesian Government's policy regarding Large-Scale Social Restrictions (PSBB) in the context of accelerating the handling of the Corona Virus Disease 2019 (COVID-19) caused a decline in the economy and household income and led to an increase in the unemployment rate in Indonesia. On the other hand, the decline in the economic sector did not interfere with public demand for Islamic savings products in Indonesia. this is evidenced by the increasing number of sharia customers and deposits and stable FDR of sharia banks in the range of 77-100 percent since before and during the COVID-19 pandemic. This study aims to determine the characteristics and factors that influence the decision to save at Islamic banks during the COVID-19 pandemic. The sample used in this study amounted to 400 respondents. Data collection using a questionnaire distributed online. Based on the data obtained, the characteristics of the respondents in this study were dominated by respondents in the age range of 17-25 years, the majority of respondents live in West Java and work as a student. Furthermore, the data will be analyzed using logistic regression analysis. Based on the results of logistic regression, the variables of religiosity, knowledge, promotion, location and age have a posit ive and significant effect on decisions to save in Islamic banks during the COVID-19 pandemic. Keywords: COVID-19, Logistics Regression, Savings Decisions, Sharia Savings., Kebijakan Pemerintah Indonesia mengenai Pembatasan Sosial Berskala Besar (PSBB) atau sekarang dikenal dengan Pembatasan Pergerakan Kegiatan Masyarakat (PPKM) dalam rangka percepatan penanganan Corona Virus Disease 2019 (COVID-19) menyebabkan terjadinya penurunan pada perekonomian dan pendapatan rumah tangga serta menyebabkan terjadinya peningkatan angka pengangguran di Indonesia. Di sisi lain, penurunan sektor ekonomi tersebut tidak mengganggu permintaan masyarakat terhadap produk tabungan syariah di Indonesia. Hal ini dibuktikan dengan jumlah nasabah dan DPK syariah yang terus meningkat serta Financing to Deposit Ratio (FDR) bank syariah yang stabil pada range 77-100 persen semenjak sebelum dan selama pandemi COVID-19. Penelitian ini bertujuan untuk mengetahui karakteristik dan faktor-faktor yang mempengaruhi keputusan menabung di bank syariah selama pandemi COVID-19. Sampel yang digunakan pada penelitian ini berjumlah 400 responden. Pengambilan data menggunakan kuesioner yang disebar secara online. Berdasarkan data yang didapatkan, karakteristik responden pada penelitian ini di dominasi oleh responden pada range usia 17-25 tahun, mayoritas responden berdomisili di Jawa Barat dan berprofesi sebagai pelajar/mahasiswa. Selanjutnya, data akan dianalisis menggunakan analisis regresi logistik. Berdasarkan hasil regresi logistik, variabel religiusitas, pengetahuan, promosi, lokasi dan usia berpengaruh positif dan signifikan terhadap keputusan menabung di bank syariah selama pandemi COVID-19. Kata kunci: COVID-19, Keputusan Menabung, Regresi Logistik, Tabungan Syariah.
Keyword: Logistics Regression, Savings Decisions, Sharia Savings, COVID-19

Judul: Hydrothermal Synthesis of Biphasic Calcium Posphate
Abstrak: Biphasio calsium phosphate (BCP), which was a mixture of hydroxypatite (HA) and tricalcium phosphate (TCP), was synthesized by hydrothermal method followed by sintering process. Hydroxyapatite was produced by using natural calcium source CaO from hen's eggshell and (NH4)2HPO4 as phosphate souce, other hydroxyapatite sample was produce by using synthetic calcium source Ca(OH) and H3PO4 as phosphate source.
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