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All Journal SAR (Soedirman Accounting Review): Journal of Accounting and Business Jurnal Istiqro' Klinikal Sains (Jurnal Analis Kesehatan) Journal of Sustainable Civil Engineering (JOSCE) Akrab Juara : Jurnal Ilmu-ilmu Sosial Jurnal Penkomi : Kajian Pendidikan dan Ekonomi Jurnal Riset Akuntansi dan Keuangan Jurnal Vokasi Mekanika Menara Pengabdian Jurnal Masyarakat Mengabdi Nusantara Pandawa : Pusat Publikasi Hasil Pengabdian Masyarakat Muqaddimah: Jurnal Ekonomi, Manajemen, Akuntansi dan Bisnis Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Venus: Jurnal Publikasi Rumpun Ilmu Teknik International Journal of Mathematics and Science Education
Jasman Jasman
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Pemanfaatan Limbah Cangkang Kerang sebagai Subtitusi Agregat Kasar dengan Bahan Tambah Superplasticizer terhadap Kuat Tekan Muhammad Ilham Tahir; Jasman Jasman; Misbahuddin Misbahuddin; Adnan Adnan
Venus: Jurnal Publikasi Rumpun Ilmu Teknik  Vol. 2 No. 5 (2024): Oktober: Jurnal Publikasi Rumpun Ilmu Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/venus.v2i5.529

Abstract

Parepare City is located on the coast with significant fisheries and maritime potential. The processing and consumption of shellfish in this city produces a lot of shellfish waste, which is often not utilized and accumulates into an environmental problem. To improve the properties of concrete, several types of additives that have certain functions are added to the concrete mixture, namely increasing the workability, durability, and hardening time of concrete. This study aims to determine the compressive strength of concrete and the composition of coarse aggregate of shells with superplasticizer added materials that are optimally produced. Using an experimental method carried out at the Laboratory of Structure and Materials, Muhammadiyah University of Parepare. The results showed that substitution of coarse aggregate with 5% shellfish waste and 0.5% superplasticizer increased the compressive strength of concrete at the ages of 7, 14, and 28 days. The 10% substitution still meets the compressive strength requirements at 28 days, although slightly lower than normal concrete. Substitution of shells up to 5% increases the compressive strength of concrete, and the 10% content is optimal, reaching the maximum value without significant decline. It is recommended that the use of shells as a substitute for coarse aggregate does not exceed 10% for optimal results and meets the planned compressive strength of 25 MPa.
Dampak E-commerce terhadap Perilaku Konsumen : Studi Perbandingan Studi Kasus Belanja Online dan Offline di Kabupaten Bima Wanda Nurul Afriani; Asril Hermawan; Jasman Jasman
MUQADDIMAH: Jurnal Ekonomi, Manajemen, Akuntansi dan Bisnis Vol. 3 No. 1 (2025): Jurnal Ekonomi, Manajemen, Akuntansi dan Bisnis
Publisher : Sekolah Tinggi Ilmu Syariah Nurul Qarnain Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59246/muqaddimah.v3i1.1233

Abstract

This study examines the impact of e-commerce on consumer behavior by comparing online and offline shopping patterns in Bima Regency. Using a mixed-method approach, the research analyzed data from 200 respondents through surveys and in-depth interviews. The findings reveal significant shifts in consumer behavior, with 65% of respondents showing increased preference for online shopping platforms. Key factors influencing this shift include convenience, price comparisons, and product variety. However, certain product categories still maintain strong offline shopping preferences. The study contributes to understanding local consumer behavior in the digital transformation era.
The Relationship Between Growing Altitude and Oil Yield and Fatty Acid Composition of VCO from Coconuts in West Timor Jasman Jasman; Idalia Norceb; Angnes Amtahanb; Yosep Lawab
International Journal of Mathematics and Science Education Vol. 2 No. 2 (2025): May : International Journal of Mathematics and Science Education
Publisher : Asosiasi Riset Ilmu Matematika dan Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/ijmse.v2i2.195

Abstract

The aim of this study is to show the yield, quality, and the fatty acids composition of VCO produced from coconut growing in several location having different altitudes in West Timor. In addition, it also determined the correlation between the yield, quality, and the composition at one side and the altitude at other side. The coconut samples were taken from six locations at different altitudes. Virgin coconut oil is fermented using baker's yeast (Saccharomyces cerevisiae). The oil yield was calculated based on the oil volume ratio to the coconut cream volume, and the composition of fatty acid was then determined by a gas chromatography-mass spectrophotometer (GC-MS). The results showed that the quality of VCO obtained in this study is very good based on Indonesian National Standard (SNI) No. 7381:2008. The higher the growing location of coconut, the oil yield decreases slightly, the peroxide number increases slightly, the water content and free fatty acids are decrease. The correlation between the altitude of the coconut growing location and the fatty acid composition: lauric acid (strong and positive); palmitic and oleic acids (strong and negative); linoleic acid (very strong and negative); capric, myristic, and stearic acids (very weak and negative).
Co-Authors Abdul Aziz Adnan Adnan Ahmad Ahmad Ahmad Firdaus Ambiyar, Ambiyar Andre Kurniawan Anggi Anggi Angnes Amtahanb Arief Sudarta ARIF RACHMAN HAKIM Arwizet Arwizet, Arwizet Asril Hermawan Azhar Azhar Bangun Sukma Wijaya Bayu Bayu Buana Bima Fikri Budi Syahri Bulkia Rahim Defra Yones Delima Yanti Sari Edi Satria Eko Indrawan Eko Kurnia Saputra Eva Safitri Maladeni Fadhlan Wildy Fadhli Almi Farid Permata Putra Fauzi Frimananda Gifan Ainul Mukhrim Hamka Hamka Hamsyah Hamsyah Hasddin Hasddin Haydir Haydir Hendri Nurdin I Gusti M.N Budiana I Gusti N.Budiana Ida Mawadah Idalia Norceb Indra Elisabet Lalangpuling Irzal Irzal Kasimir Sarifudin Ketrina Konoralma Kevin Pascoal Laksono Trisnantoro Lalang, Arvinda C. Lestarani, Dewi Lolita A.M. Parera M Aldi Muhtaibillah A M. Hafiz M. Ridwan Ma'rif Hidayat Marfudin Marfudin Mastur Mastur Misbahuddin Misbahuddin Muhammad Ady Mulyadi Muhammad Anwar Rifa'i Muhammad Ilham Tahir Mulianti Mustakim Mustakim Nastya Chila Zarabiyu Nelvi Erizon Nensy Aryasandy Neolaka, Yantus A B Ni Wayan O.A.C. Dewi Nofri Pratama Putra Nurmila Sunati Panca Eka Paksi Peri Irawan Primawati Primawati purwantono purwantono Rahmadi Zaki Raymon Pratama Refdinal Refdinal Remon Lapisa Renaldi Renaldi Reski Yanza Rifat De Burt Rifelino Rifelino Rio Ramadhan Rizki Trio Kurnia Putra Rodesri Mulyadi Rodiah Elfianti Rosdialena Sri Rizki Putri Primandari Syauqi Arjunanda Taufik Taufik Thaheransyah Villa Eva Delvia Ginal S Wanda Nurul Afriani Waskito Waskito Yosep Lawab Yufrizal A Yusra M. Nur Zainal Abadi Zulfikra Rendi