Pengaruh Model Problem Based Learning Dengan Media Audio Visual dan Laboratorium Riil Materi Asam Basa Terhadap Hasil Belajar: The Effect of Problem Based Learning Model using Audio Visual Media and Real Acid Base Material Laboratory on Learning Outcomes. st [Internet]. 2019 Feb. 13 [cited 2026 May 1];2(1):289-92. Available from: https://talentaconfseries.usu.ac.id/index.php/st/article/view/360