Volume 12, Number 2, April 2023

Table of Contents

Articles

Petrographic study of rocks in The Julu Rayeu Formation and the Center of the Geureundong Volcanic in Nisam District, North Aceh District, Aceh Province
Dewi Sartika, Millati Amalia Sentosa, Fahri Adrian, Akmal Muhni, Dina Gunarsih, Hidayat Syah Putra, Rifqan Rifqan
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1-7
Realtime instrumentation system towards blood oxygen saturation level monitoring with Liquid Crystal Display (LCD) and smartphone
Zakaria Husen, Zaid Albarra, Khairi Suhud, Fauzi Fauzi, Elin Yusibani, Irhamni Irhamni, Fadhli Syamsuddin, Edwar Iswardy, Nurhanif Nurhanif, Ahmad Fairuz Bin Omar, Muhammad Syukri Surbakti
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8-11
Analysis of the impact climate anomalies (ENSO and IOD) on environments based of computing in the Western Sumatra Region (Equatorial Region of Indonesia)
Melly Ariska, Adam Darmawan, Supari Supari, Muhammad Irfan, Iskhaq Iskandar
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12-18
Constructivism theory in the ISLE-based STEM approach model for wave topics in middle and high school students
Tengku Diah Zulismi Putri, Irwandi Irwandi, Mursal Mursal
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19-24
Land Surface Temperature (LST) and Fault Fracture Density (FFD) Analysis in Bukit Kili-Gunung Talang Geothermal Area, West Sumatra
Muhammad Rayhan Hidayat, Jenian Marin, Rais Brian Abdurrahman, Syafa Natasya Devienna, Illya Nur Fatimah
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25-31

Cover

Cover
 
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