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. 6, n. 1, 2025. Disponível em: https://journalserambi.org/index.php/jkk/article/view/258. Acesso em: 10 sep. 2025.