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All Journal Jurnal Informatika dan Teknik Elektro Terapan Biopropal Industri Jurnal Terapan Ilmu Keolahragaan Jurnal BELAINDIKA (Pembelajaran dan Inovasi Pendidikan) Economics and Digital Business Review Jurnal Fakultas Ilmu Keislaman UNISA Kuningan PARAGUNA : Jurnal Ilmiah Pengetahuan, Pemikiran dan Kajian Tentang Seni Karawitan AB-JOIEC: Al-Bahjah Journal of Islamic Economics Journal of Digital Business and Data Science Scientific Contributions Oil and Gas
Asep Nugraha, Asep
STIKes Bakti Tunas Husada
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Physics Public Health Social Sciences Other

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PENGEMBANGAN EKONOMI PESANTREN MELALUI PENDEKATAN MODAL SOSIAL MASYARAKAT Kurniawan, Heru; Ropi’ah, Eva Siti; Nugraha, Asep
AB-JOIEC: Al-Bahjah Journal of Islamic Economics Vol. 1 No. 1 (2023): AB-JOIEC
Publisher : Program Studi Ekonomi Syariah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61553/abjoiec.v1i1.24

Abstract

Pesantren mempunyai peran penting dalam mencetak generasi beriman dan bertakwa, dalam prosesnya di perlukan dukungan ekonomi yang kuat sehingga sebuah sistem dapat berjalan dengan baik, tujuan dari penelitian ini untuk mengetahui bagaimana peran modal sosial dalam membantu menyokong ekonomi pesantren dalam mmenjalankan fungsinya sebagai lembaga Pendidikan akhlak. Metode yang dilakukan dalam penelitian ini adalah kualitatif deskriktif dimana peneliti terjun kelapangan secara langsung dalam memperoleh informasi yang kemudian hasil penelitian tersebut di olah dan dianalisis kemudian dinarasikan dalam bentuk gabungan teori dan fakta lapangan sehingga sampai pada sebuah kesimpulan, hasil dari penelitian ini adalah pesantren mempuyai peluang besar dalam meningkatkan kekuatan ekonominya melalui pendekatann Hubungan Masyarakat yang diperkuat dengan melakukan pendekatan modal sosial,  modal sosial yang dimiliki oleh pesantren berupa citra positif, religiusitas, saling berbagi, serta konsep silatutrahim. Dari modal sosial tersebut pesantren dapat memanfaatkan sumber daya yang ada di Masyarakat seperti kebutuhan bahan baku, tenaga kerja, akses informasi serta pengembangan usaha yang mudah diterima
The Influence of Customer Ratings and Reviews on Online Electronic Product Purchase Decisions Nugraha, Asep; Firdaus, Dicky Fauzi
Journal of Digital Business and Data Science Vol. 2 No. 2 (2025): Journal of Digital Business And Data Science
Publisher : Politeknik Siber Cerdika Internasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59261/jdbs.v2i2.25

Abstract

The rapid growth of e-commerce has created information asymmetry challenges, as consumers cannot physically inspect products before purchasing. Customer ratings and reviews, as forms of electronic word-of-mouth (eWOM), have emerged as critical information sources, yet their specific influence on Indonesian consumers remains underexplored. This study aims to analyze the influence of customer ratings and reviews on online purchase decisions for electronic products in Indonesia's e-commerce platforms. Using a quantitative approach, data were collected from 280 respondents through an online survey with Likert scale questionnaires. Data analysis utilized multiple linear regression with SPSS 25.0, including validity and reliability tests (Cronbach's Alpha), classical assumption tests (Kolmogorov-Smirnov, VIF, Tolerance, Glejser, linearity), partial hypothesis testing (t-test), simultaneous hypothesis testing (F-test), and coefficient of determination (R²).The results indicate that customer ratings significantly influence purchase decisions (t = 5.847, p < 0.05), customer reviews have an even stronger influence (t = 8.329, p < 0.05), and both variables simultaneously show significant influence (F = 64.238, p < 0.05) with R² = 0.315. These findings confirm that eWOM serves as a critical component in Indonesian consumers' decision-making process for purchasing electronic products online, with important implications for e-commerce platforms and digital marketing strategies.
Adsorption Performance of Regenerated Molecular Sieves for Moisture Removal in Compressed Oxygen Gas Febriyanti, Zaeturohmah; M. Baqir; Maulana, Fahrul; Nugraha, Asep; Hidayat, Rachmat; Jakariya
Scientific Contributions Oil and Gas Vol 49 No 1 (2026)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/scog.v49i1.1952

Abstract

This study focuses on evaluating the adsorption performance of regenerated molecular sieves repurposed as moisture adsorbents for compressed oxygen gas. The spent adsorbents are collected from a Phase Technology Freezing Point analyzer after saturation is achieved through repeated operational cycles. Two thermal regeneration methods are  investigated, namely (1) staged heating in a furnace at 350 °C for 2 hours followed by a 30-minute vacuum treatment, and (2) staged heating in a gas chromatography (GC) oven at 350 °C with a dry-nitrogen purge for an hour, followed by another 1 hour without purging and a 30-minute vacuum duration. Furthermore, the physical characteristics after regeneration are assessed using the UOP Method 422 for particle size distribution (PSD) through micromesh sieving. Moisture adsorption performance is evaluated according to ASTM D1142 using a dew-point measurement with compressed oxygen at operating pressures and flow rates of 30–50 psi and 0.5–1.0 L/min, respectively. The results indicate that regenerated molecular sieves retain approximately 80–90% of the adsorption capacity of new material, which demonstrates that the GC-oven regeneration method exhibits slightly superior performance compared to furnace regeneration. These finding prove that appropriate thermal regeneration enables effective reuse of spent molecular sieves, providing a technically viable and economically favorable strategy for moisture removal in oxygen-drying applications while reducing laboratory waste.
Co-Authors Abdus Salam, Abdus Ahmad Hikami, Haikal Ardiwinata Ardiwinata, Ardiwinata Arif Fauzan, Arif Asep Wahyudin Fauzi Firdaus, Dicky Febriyanti, Zaeturohmah Firdaus, Dicky Fauzi Hanif Shobaruddin Heru Kurniawan Iman Imanudin Jakariya Komala, Icuh M. Baqir Maulana, Fahrul Mochamad Zakky Mubarok Nuryatimah, Yayat Oktaviani, Mega RACHMAT HIDAYAT Ramadhan, Riki ROHANI CINTA BADIA GINTING Ropi’ah, Eva Siti Sanria, Virgiawan Saputro, Bintang Ilhan Harjo Setiawan, Riezky Fauji Sujata, Tatang Sumardiyanto, , Tiwit Widowati, Tiwit UTUT WIDYASTUTI Wahyuni, Neneng