Silaban R, Indrayani L, Harahap F, Hendro Pranoto, Martina Asiati Napitupulu. THE EFFECT OF PROBLEM BASED LEARNING MODEL USING ANIMATION VIDEO ON STUDENT LEARNING OUTCOMES ON THE HUMAN RESPIRATORY SYSTEM MATERIAL. J. IPI [Internet]. 2025 Jun. 19 [cited 2025 Aug. 23];13(2):95-106. Available from: https://mail.ejournal.uncen.ac.id/index.php/JIPI/article/view/4712