Nainggolan, Bajoka, Universitas Negeri Medan, Medan 20221, Indonesia, Indonesia
-
Vol 10, No 2 (2018): August - Articles
The optimization of acid hydrolysis on bioethanol production from durian peel waste (Durio zibethinus murr)
Abstract PDF -
Vol 10, No 2 (2018): August - Articles
Development of chemical practice guides class xi project based to improve student’s chemical learning outcomes on acid base materials
Abstract PDF -
Vol 11, No 3 (2019): December - Articles
Development of chemical element practical workbook based on projects and characters for class xii senior high school
Abstract PDF