Judul: Comparative Analysis of Sales Promotion and E-WOM of  Fashion Products in Marketplaces on Buying Interest during the COVID-19 Period
Abstrak: Pandemi COVID-19 di Indonesia menyebabkan pola perilaku konsumen masyarakat berubah sehingga harus menyesuaikan dengan situasi dan kondisi. Segala kegiatan yang biasanya dilakukan di luar rumah harus diminimalisir oleh masyarakat. Tokopedia dan Shopee merupakan suatu marketplace yang sedang berkembang dan paling banyak digunakan oleh masyarakat Indonesia. Penelitian ini memiliki tujuan untuk mengetahui pengaruh promosi penjualan dan E-WOM terhadap minat beli produk fashion selama masa pandemi COVID-19. Penelitian dilakukan di Provinsi Sumatera Barat pada bulan Januari – Juni 2022. Jumlah sampel penelitian ini sebanyak 130 sampel dengan menggunakan metode purposive sampling. Metode yang digunakan ialah analisis deskriptif dan SEM-PLS. Hasil penelitian ini menunjukan bahwa pada marketplace Shopee dan Tokopedia promosi penjualan tidak berpengaruh, sedangkan E-WOM berpengaruh nyata positif terhadap minat beli produk fashion, The COVID-19 pandemic in Indonesia has caused people's consumer behavior patterns to change so they have to adapt to situations and conditions. All activities that are usually carried out outside the home must be minimized by the community. Tokopedia and Shopee are a growing marketplace and are most widely used by the people of Indonesia. This study aims to determine the effect of sales promotion and E WOM on interest in buying fashion products during the COVID-19 pandemic. The study was conducted in West Sumatra Province in January – June 2022. The number of samples in this study was 130 samples using the purposive sampling method. The method used is descriptive analysis and SEM-PLS. The results of this study indicate that the Shopee and Tokopedia sales promotions have no effect,while E-WOM marketplaces have a significant positive effect on buying interest in fashion products
Keyword: E-WOM, minat beli, produk fashion, promosi penjualan

Judul: Faktor yang Memengaruhi Impulse Buying Behavior Selama Masa Pandemi Covid-19 pada Pengguna E-Commerce Tokopedia
Abstrak: Pandemi Covid-19 memberikan dampak serius terhadap berbagai sektor secara global, khususnya sektor perekonomian. Kondisi saat ini memicu ketakutan, kepanikan dan ketidakpastian sehingga semua orang harus menyesuaikan diri dengan cepat terhadap perubahan. Tokopedia merupakan salah satu e-commerce yang mengalami peningkatan jumlah pengunjung selama pandemi Covid-19. Popularitas mobile shopping membuat perilaku berbelanja tidak lagi dibatasi oleh ruang dan waktu, sehingga pembelian impulsif lebih umum terlihat pada masa ini. Penelitian ini bertujuan menganalisis faktor yang memengaruhi impulse Buying Behavior pada masa pandemi Covid-19. Metode pengambilan sampel menggunakan metode purposive sampling dengan teknik non-probability sampling. Penelitian ini menggunakan Structural Equation Model (SEM) melalui pendekatan Partial Least Square (PLS) dalam pengolahan data. Hasil penelitian menunjukkan bahwa faktor social media fake news dan perceived enjoyment berpengaruh positif dan signifikan terhadap impulse buying pada masa pandemi Covid-19 dengan T-statistic sebesar 4,841 pada faktor perceived enjoyment. Hal ini menandakan bahwa berita fake untuk strategi pemasaran dapat meningkatkan impulse buying dan pelayanan dan kemudahan dalam bertransaksi dapat memberikan kenyamanan kepada konsumen sehinggga dapat meningkatkan impulse buying.
Keyword: Covid-19, E-commerce, Impulse Buying, SEM-PLS, Tokopedia

Judul: Posisi Filogenetik Kura-Kura Carettochelys Insculpta  (Reptillia: Testudinata)
Abstrak: Carettochelys insculpta is an endemic freshwater turtle of southern Papua and northern Australia. Phylogenetic position of this turtle is remain unresolved until now. Most of the research conducted show close relationships of C. insculpta and members of Trionychidae family. However, some of the research show distance between C. insculpta and members of Trionychidae family. This research is conducted to analyze phylogenetic relationship between C. insculpta and other members of Testudinata using 12S rRNA, 16S rRNA, and both gene as markers. DNA samples were obtained from three different organisms of C. insculpta. Two species used as outgroups were Alligator mississippiensis and Iguana iguana. Phylogenetic analysis was carried out using Neighbor-Joining method with Felsenstein 1981 (F81) modeltest. A polytomy tree of Testudinata was produced by using 12S rRNA gene. However, analysis using 16S rRNA and both genes as markers confirmed that C. insculpta was located between the Chelonidae and the Trionychidae family.
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