Volume 11, Number 1, January 2022

Table of Contents

Articles

Optimal tracking control in photovoltaic using linear quadratic tracking
Mohd Iqbal Muttaqin, Said Munzir, Marwan Ramli, Muhammad Ikhwan
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1-7
Petrogenesis of igneous rock in Siron Krueng Area, Kuta Cot Glie District, Aceh Besar Regency, Aceh Province
Dewi Sartika, Reza Gunawan, Akmal Muhni, Fahri Adrian
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8-16
Coating radiation waves based on BaFe12O19/ZnO from natural red sand on X-ray radiation exposure in the Laboratory of Efarina Hospital in the era of the COVID-19 pandemic
Veryyon Harahap, Anju Bherna. D. Nainggolan
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17-23
Utilization of activated carbon from used robusta coffee ground activated using potassium hydroxide (KOH) as a material for supercapacitor electrodes
Gina Sania, Erman Taer, Hermansyah Aziz
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24-32
Supercapactors based on active carbon from spent arabica coffee ground using NaOH activators
Rikaryalita Novitra, Hermansyah Aziz, Erman Taer
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33-40

Cover

Cover Volume 11(1) October 2022
 
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