“PENGEMBANGAN LEMBAR KERJA SISWA (LKS) BERBASIS MODEL PROBLEM BASED LEARNING (PBL) BERMUATAN HOTS PADA MATERI BILANGAN BULAT SISWA KELAS VII MTs” (2021) Jurnal Prodi Pendidikan Matematika (JPPM), 3(1), pp. 211–223. Available at: https://jurnal.mipatek.upgripnk.ac.id/index.php/JPPM/article/view/161 (Accessed: 14 March 2025).