“PENGARUH LKPD BERBASIS PROBLEM BASED LEARNING BERMUATAN BUDAYA BATAK TERHADAP KEMAMPUAN BERPIKIR KRITIS MATEMATIS SISWA DI SMAN 1 AIR PUTIH”. JOURNAL OF SCIENCE AND SOCIAL RESEARCH 9, no. 3 (June 6, 2026): 3140–3146. Accessed June 7, 2026. https://jurnal.goretanpena.com/index.php/JSSR/article/view/6378.