Mazid, Habibil, Latifah Rachmalia, Suyanta Suyanta, and Endang Widjajanti. “Teacher Strategies in Managing Chemistry Learning Time to Improve Student Learning Achievement”. Jurnal Penelitian Pendidikan IPA 9, no. 11 (November 25, 2023): 1129–1136. Accessed October 10, 2025. https://jppipa.unram.ac.id/index.php/jppipa/article/view/5192.