Vol 13, No 2 (2021)

August 2021

Table of Contents

Articles

Improving chemical learning outcomes with explicit instruction learning models with quizizz evaluation media
DOI : 10.24114/jpkim.v13i2.26977 | Abstract views : 21 times
Bropson Minanlarat, Leony Sanga Lamsari Purba, St Fatimah Azzahra
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94-102
Development of student worksheet for blended learning based guide inquiry and science process skill in reduction and oxidation reaction
DOI : 10.24114/jpkim.v13i2.26979 | Abstract views : 13 times
Sinda Febrilia Miharti, Harizon Harizon, Zurweni Zurweni
PDF
103-112
Development of PBL-STEM-based E-LKPD to improve students' science literacy skills on reaction rate materials
DOI : 10.24114/jpkim.v13i2.26980 | Abstract views : 19 times
Rina Safitri, Haryanto Haryanto, Harizon Harizon
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113-129
Microsoft teams 365 and online learning: The student’s perception
DOI : 10.24114/jpkim.v13i2.26981 | Abstract views : 19 times
Leony Sanga Lamsari Purba
PDF
130-136
Determination of phenolic contents and antioxidant activity test of ethanol extract of Sirih merah (Piper crocatum Ruiz & Pav.) leaves using the DPPH method
DOI : 10.24114/jpkim.v13i2.26984 | Abstract views : 30 times
Kasta Gurning, Sifikal Lumbangaol, Risanti F. R Situmorang, Saronom Silaban
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137-142
Stability of Styrax benzoin extract and fraction with the addition of glycerol and tween 80
DOI : 10.24114/jpkim.v13i2.26986 | Abstract views : 19 times
Dedi P Simatupang, Nora Susanti, Jamalum Purba
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143-150
Antibacterial activity test of Simargaolgaol (Aglaonema modestum Schott ex Engl) leaves extract against Escherichia coli and Salmonella typhi bacteria
DOI : 10.24114/jpkim.v13i2.26989 | Abstract views : 39 times
Tiurma Solomasi Zega, Putri Mandaoni Pakpahan, Rahmayani Siregar, Givinda Sitompul, Saronom Silaban
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151-158
Paper making and characterization from waste coconut and tofu dregs
DOI : 10.24114/jpkim.v13i2.27028 | Abstract views : 17 times
Erdiana Gultom, Hestina Hestina, Nova Florentina, Barita Aritonang
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159-171