SULISTYOWATI, Yuli; SUGIMAN, Sugiman. Pengembangan Perangkat Pembelajaran Bangun Ruang di SMP dengan Pendekatan Creative Problem Solving. PYTHAGORAS Jurnal Matematika dan Pendidikan Matematika, [S. l.], v. 9, n. 2, p. 219–232, 2014. DOI: 10.21831/pg.v9i2.9082. Disponível em: https://journal.uny.ac.id/index.php/pythagoras/article/view/9082. Acesso em: 13 jul. 2025.