HARTINISARI NASUTION. Upaya Peningkatkan Pemahaman Siswa Materi Pewarisan Sifat Melalui Media Puzzle Pada Siswa Kelas IX-1 Semester Ganjil SMP Negeri 1 Tapaktuan . Jurnal Kinerja Kependidikan (JKK): Facilities of Educator Career and Educational Scientific Information, [S. l.], v. 4, n. 3, p. 598–609, 2022. DOI: 10.32672/jkk.v4i3.159. Disponível em: https://www.journalserambi.org/index.php/jkk/article/view/159. Acesso em: 20 jun. 2025.