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. Disponível em: https://journalserambi.org/index.php/jkk/article/view/159. Acesso em: 2 dec. 2024.