HANDAYANI, Ruri; LESTARI, Fitria; MARIAN, Fungky. Development of Worksheet Based on Problem Based Learning (PBL) to Improve Critical Thinking Skills. Kognitif: Jurnal Riset HOTS Pendidikan Matematika, [S. l.], v. 5, n. 1, p. 256–265, 2025. DOI: 10.51574/kognitif.v5i1.2779. Disponível em: https://etdci.org/journal/kognitif/article/view/2779. Acesso em: 11 sep. 2025.