SUCIPTO, Sucipto; HOBRI, Hobri; WAHYUNINGRUM, Endang. Penerapan Pembelajaran Matematika Model Creative Problem Solving berbantuan Whatshapp berbasis Lesson Study. Jurnal Pendidikan Matematika dan Sains, [S. l.], v. 10, n. 1, p. 62–69, 2022. DOI: 10.21831/jpms.v10i1.39510. Disponível em: https://jurnal.uny.ac.id/index.php/jpms/article/view/39510. Acesso em: 15 may. 2025.