AMINAH, Sitti; HAMBALI, Hilmi; NURDIYANTI, Nurdiyanti. PENGARUH MODEL PROBLEM BASED LEARNING BERBASIS ONLINE TERHADAP HASIL BELAJAR SISWA PADA KONSEP VIRUS. Jurnal Riset dan Inovasi Pembelajaran, [S. l.], v. 1, n. 2, p. 220–227, 2021. DOI: 10.51574/jrip.v1i2.97. Disponível em: https://etdci.org/journal/jrip/article/view/97. Acesso em: 23 oct. 2025.