Khovivah, Atika, Endang Sulistyarini Gultom, and Syarief Saadillah Lubis. “PENGEMBANGAN LKPD BERBASIS PROBLEM BASED LEARNING DAN PENGARUHNYA TERHADAP KETERAMPILAN BERPIKIR KRITIS SISWA ”. LENSA (Lentera Sains): Jurnal Pendidikan IPA 12, no. 2 (November 7, 2022): 152-161. Accessed April 27, 2024. https://jurnallensa.web.id/index.php/lensa/article/view/258.