SAFIRUDDIN. Pemanfaatan Pendekatan Open-Ended Untuk Meningkatkan Hasil Belajar Siswa Pokok Bahasan Statistika. Jurnal Kinerja Kependidikan (JKK): Facilities of Educator Career and Educational Scientific Information, [S. l.], v. 1, n. 1, p. 119–132, 2021. DOI: 10.32672/jkk.v1i1.37. Disponível em: https://www.journalserambi.org/index.php/jkk/article/view/37. Acesso em: 2 oct. 2025.