SUPU, Meindah Maria Theresia; SULANGI, Victor R.; PULUKADANG, Rosiah J. Pengembangan Perangkat Pembelajaran Matematika Materi Segi Empat Berbasis Problem-Based Learning . Gammath : Jurnal Ilmiah Program Studi Pendidikan Matematika, [S. l.], v. 9, n. 1, p. 92–104, 2024. Disponível em: https://ejurnal.unmuhjember.ac.id/index.php/JPM/article/view/1732. Acesso em: 8 aug. 2025.