PENINGKATAN KOMPENTENSI GURU IPA MELALUI PELATIHAN MODEL PEMBELAJARAN KOOPERATIF TIPE STUDENT TEAMS ACHIEVEMENT DIVISION (STAD) DI SMP NEGERI DI KABUPATEN SERDANG BEDAGAI. JURNAL PENELITIAN BIDANG PENDIDIKAN, [S. l.], v. 23, n. 1, p. 29–36, 2018. DOI: 10.24114/jpbp.v23i1.9998. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/penelitian/article/view/9998. Acesso em: 22 mar. 2026.