Judul: The Effect of Social Media Marketing on Purchase Decision of Janji Jiwa Coffee in Bogor City
Abstrak: Seiring berkembangnya waktu, semakin pesat persaingan bisnis yang harus dihadapi. Salah satu usaha yang dapat dilakukan dalam mempromosikan produk yaitu melalui social media atau yang bisa disebut Social Media Marketing. Salah satu bisnis yang melakukan pemasaran melalui social media adalah Kopi Janji Jiwa. Tujuan utama dari penelitian ini yaitu menganalisis pengaruh social media marketing terhadap keputusan pembelian Kopi Janji Jiwa di Kota Bogor. Pengumpulan data dilakukan dengan penyebaran kuesioner kepada 100 pengguna social media yang pernah terpapar social media marketing Kopi Janji Jiwa dan berlokasi di Kota Bogor. Analisis data dilakukan dengan menggunakan metode analisis deskriptif dan Structural Equation Modelling Partial Least Square (SEM PLS). Hasil penelitian menunjukkan bahwa Social Media Marketing berpengaruh positif dan signifikan terhadap keputusan pembelian produk Kopi Janji Jiwa di Kota Bogor., As time develops, the business competition that must be faced is getting faster. One of the efforts that can be done in promoting products is through social media or what can be called Social Media Marketing. One of the businesses that do marketing through social media is Janji Jiwa Coffee. The main aim of this study is analyzing the effect of social media marketing on purchasing decisions of Janji Jiwa Coffee in the city of Bogor. The Data collection was carried out by distributing questionnaires to 100 social media users who had been exposed to the Janji Jiwa Coffee social media marketing and located in the city of Bogor. Data analysis was performed using descriptive analysis methods and Structural Equation Modeling Partial Least Square (SEM PLS). The results of the study indicate that Social Media Marketing has a positive and significant effect on purchasing decisions for Janji Jiwa Coffee products in the city of Bogor.
Keyword: purchase decision, Structural Equation Modelling (SEM), social media marketing

Judul: Pengaruh Social Media Marketing terhadap Brand Loyalty dan Keputusan Pembelian Popolo Coffee Bogor
Abstrak: Pengguna media sosial di Indonesia yang terus meningkat dimanfaatkan oleh pelaku usaha bidang makanan dan minuman khususnya kafe untuk menerapkan social media marketing. Perusahaan berupaya meningkatkan promosi melalui media sosial untuk meningkatkan jumlah konsumen yang akan meningkatkan kesetiaan konsumen terhadap brand yang dimiliki oleh perusahaan. Popolo Coffee merupakan kafe terbaik di Kota Bogor dengan nilai 4.4 dari 5.0 dan memiliki pengikut instagram terbanyak dibandingkan dengan kafe lain yang ada di Kota Bogor. Tujuan penelitian ini adalah untuk (1) Mengidentifikasi karakteristik konsumen pada Popolo Coffee, (2) Menganalisis pengaruh social media marketing terhadap brand loyalty dan keputusan pembelian Popolo Coffee, (3) Menganalisis pengaruh brand loyalty terhadap keputusan pembelian Popolo Coffee. Metode yang digunakan dalam penelitian ini adalah analisis deskriptif dan SEM-PLS. Hasil penelitian menunjukan bahwa social media marketing memiliki pengaruh positif dan signifikan terhadap brand loyalty, social media marketing tidak berpengaruh terhadap keputusan pembelian, dan brand loyalty berpengaruh positif dan nyata terhadap keputusan pembelian.
Keyword: brand loyalty, keputusan pembelian, SEM-PLS, social media marketing

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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