NURHAYATI. Meningkatkan Hasil Belajar Siswa Melalui Penerapan Pendekatan Problem Posing pada Materi Stoikiometri. Jurnal Kinerja Kependidikan (JKK): Facilities of Educator Career and Educational Scientific Information, [S. l.], v. 3, n. 1, p. 61–72, 2021. DOI: 10.32672/jkk.v3i1.12. Disponível em: https://www.journalserambi.org/index.php/jkk/article/view/12. Acesso em: 2 oct. 2025.