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All Journal ILMU KELAUTAN: Indonesian Journal of Marine Sciences CAUCHY: Jurnal Matematika Murni dan Aplikasi JOURNAL ONLINE OF PHYSICS Jurnal Pengukuran Psikologi dan Pendidikan Indonesia (JP3I) Jurnal Sumberdaya Akuatik Indopasifik Jurnal Biologi Tropis Cassowary IGKOJEI: Jurnal Pengabdian Masyarakat Prosiding Seminar Nasional Ilmu Manajemen, Ekonomi, Keuangan dan Bisnis Journal of Engineering and Technological Sciences
Bayu Pranata, Bayu
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Environmental Science Immunology & microbiology Mathematics Physics Social Sciences Veterinary

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Analysis of the Impact of Network Quality, Brand Image, and Promotion on Telkomsel Package Card Purchase Decisions (Case Study on Students of SMK Brigadier General Katamso II Medan) Pranata, Bayu; Tambunan, Debora; Sibarani, Hendra Jonathan; Pasaribu, Dompak
Prosiding Seminar Nasional Ilmu Manajemen, Ekonomi, Keuangan dan Bisnis Vol. 3 No. 1 (2024): TOP 10 Best Paper, Prosiding Seminar Nasional Ilmu Manajemen, Ekonomi, Keuangan
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/snimekb.v3i1.10826

Abstract

This study was conducted to determine the effect of network quality, brand image and promotion partially and simultaneously on purchasing decisions for Telkomsel package cards, a case study of students of SMK Brigjend Katamso II Medan. The research approach used is associative research with a quantitative approach. The population in this study consisted of all students of SMK Brigjend Katamso II Medan for the 2021/2022 academic year who used the Telkomsel provider as many as 90 students and the sampling technique used a saturated sample where the entire population was sampled, namely 90 people. This study uses primary data and secondary data. The results of this study network quality, brand image, and promotion partially have a positive effect on purchasing decisions. Simultaneous test results (F test) network quality, brand image and promotion have a positive and significant effect on purchasing decisions. The results of the determination test obtained that network quality, brand image and promotion have contributed to purchasing decisions by 66.1%, while the remaining 33.9% is influenced by other variables outside this regression model.
Investigation of Liquefaction in Balaroa, Petobo, and Jonooge (Central Sulawesi, Indonesia) Caused by the 2018 Palu Earthquake Sequence Triyono, Rahmat; Widiyantoro, Sri; Zulfakriza, Zulfakriza; Supendi, Pepen; Rahman, Aditya Setyo; Gunawan, Mohamad Taufik; Oktavia, Nur Hidayati; Rahmatullah, Fajri Syukur; Fadhilah, Fildzah Zaniati; Habibah, Nur Fani; Sativa, Oriza; Permana, Dadang; Wallansha, Robby; Octantyo, Ardian Yudhi; Persada, Yoga Dharma; Pranata, Bayu; Sujabar, Sujabar
Journal of Engineering and Technological Sciences Vol. 56 No. 3 (2024)
Publisher : Directorate for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.eng.technol.sci.2024.56.3.1

Abstract

The liquefaction that occurred in the city of Palu on September 28, 2018, was caused by a series of significant earthquakes that took place in a relatively short time around 25 minutes after the main earthquake of magnitude 7.5. This event was followed by aftershocks of magnitudes 6.4, 6.2, and 6.1. The magnitude 6.2 aftershock occurred at 10.16 UTC, while the magnitude 6.1 aftershock occurred at 10.25 UTC. These were both located very close to the liquefaction locations in Balaroa, Petobo, and Jono Oge. We investigated the mainshock and the three aftershocks using the NCEER method based on Vs30 measurements and data from the drill liquefaction locations at Balaroa, Petobo, and Jono Oge. We found that the liquefaction was not only caused by the main earthquake but also by the subsequent aftershocks that occurred within 25 minutes after the mainshock.
Co-Authors Abdul Hamid A. Toha Agus Suyatna Andi Fajeriani Wyrasti Aradea Bujana Kusuma, Aradea Bujana Ayamiseba, Yunita Azhar, Muhamad Ilham Bagus Sartono Bleskadit, Orgenes Debora Tambunan Dona Pasaribu Dwi Agustin Nuriani Sirodj Emmanuel Manangkalangi Fadhilah, Fildzah Zaniati Firdaus, Alif Gunawan, Mohamad Taufik Habibah, Nur Fani Handayani, Prisilia Husaema Ida Lapadi Jeni, Jeni Kolibongso, Duaitd Leatemia, Neafha G. Maharani, Andi Nacisa Malfin Savina Manohas, Feronika Milansari, Sindi Mokodongan, Daniel Frikli Muhammad Dailami, Muhammad Muhammad Nur Aidi Muttaqy, Faiz Natasya, Cendy Nur Aulia, Atin Octantyo, Ardian Yudhi Oktavia, Nur Hidayati Permana, Dadang Persada, Yoga Dharma Purbani, Debora Christin Rahman, Aditya Setyo Rahmatullah, Fajri Syukur Ridwan Sala Roussely, Athina Rumbiak, Ruben B. Saleh, Fitriyah I.E. Saleh, Fitriyah Irnawati E. Saputra, Reyfado W. Sarwo Sucitra Amin Sativa, Oriza Selfanie Talakua, Selfanie Sibarani, Hendra Jonathan Simatauw, Fanny Fransina Carolina Sipriyadi Sri Widiyantoro Sujabar, Sujabar Supendi, Pepen Surya Putra, Ade Triyono, Rahmat Undang Rosidin Utami Dyah Syafitri Vera Sabariah, Vera Wallansha, Robby Widiastuti, Nurhani - Wikram, Wikram Yembise, Leo Y. Zulfakriza, Zulfakriza