Aminah S, Hambali H, Nurdiyanti N. PENGARUH MODEL PROBLEM BASED LEARNING BERBASIS ONLINE TERHADAP HASIL BELAJAR SISWA PADA KONSEP VIRUS. JRIP [Internet]. 2021 Aug. 30 [cited 2025 Oct. 23];1(2):220-7. Available from: https://etdci.org/journal/jrip/article/view/97