BAHRUDIN, Mohammad Sony. Upaya Meningkatkan Hasil Belajar Siswa dengan Model Pembelajaran Problem Based Instruction (PBI) pada Pokok Bahasan Perbandingan di Kelas VIII C SMP R. Rahmat Balongbendo Sidoarjo. MUST: Journal of Mathematics Education, Science and Technology, [S. l.], v. 1, n. 2, p. 199–208, 2016. DOI: 10.30651/must.v1i2.239. Disponível em: https://journal.um-surabaya.ac.id/matematika/article/view/239. Acesso em: 22 nov. 2024.