Haryani, Wenny Okta, and Bambang Sahono. “THE EFFECT OF COOPERATIVE LEARNING AND STUDENT ACTIVITY ON BIOLOGICAL LEARNING ACHIEVEMENT”. Diadik: Jurnal Ilmiah Teknologi Pendidikan 9, no. 2 (August 26, 2021): 164–172. Accessed May 7, 2024. https://ejournal.unib.ac.id/diadik/article/view/17444.