Handayani, R., Lestari, F. . and Marian, F. . (2025) “Development of Worksheet Based on Problem Based Learning (PBL) to Improve Critical Thinking Skills”, Kognitif: Jurnal Riset HOTS Pendidikan Matematika, 5(1), pp. 256–265. doi: 10.51574/kognitif.v5i1.2779.