NASUTION, Nurafnizar; ADRIANA, Kamilah; SURBAKTI, Muhammad Affan; SYAFITRI, Ely; IMANNUR, Imannur. Implementasi Model Problem Based Learning dengan Media Canva dalam Mengembangkan Keterampilan Abad 21 pada Materi Statistika. Kognitif: Jurnal Riset HOTS Pendidikan Matematika, [S. l.], v. 4, n. 2, p. 964–974, 2024. DOI: 10.51574/kognitif.v4i2.1931. Disponível em: https://etdci.org/journal/kognitif/article/view/1931. Acesso em: 10 sep. 2025.