Sembiring NS, Sinaga E, Sinaga T, Brata WWW. DEVELOPMENT OF AUDIOVISUAL-BASED LEARNING MEDIA ON THE SUBJECT OF IMMUNE SYSTEM AT SMA NEGERI 12 MEDAN. JPP [Internet]. 2022 Dec. 30 [cited 2025 Dec. 24];10(4). Available from: https://jurnal.unimed.ac.id/2012/index.php/pelita/article/view/44768