Siburian, Jodion, Ali Sadikin, Muhammad Yusuf, and Dian Arisandy Eka Putra Sembiring. “Development of Lesson Study Books Specially in Biology Based on Scientific Approaches”. Jurnal Penelitian Pendidikan IPA 9, no. 10 (October 25, 2023): 8569–8574. Accessed November 13, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/3734.