“Implementation of Discovery Learning Models to Improve Student Learning Outcomes on Additive Materials and Addicitive Substances Topic in 8th Grade As Shiddiqiyah Junior High School”. BIODIK 5, no. 1 (June 19, 2019): 20-30. Accessed July 8, 2024. https://online-journal.unja.ac.id/biodik/article/view/6390.