BAYU PUTRA, R.; DEFIT, S. .; FITRI, H. . EVALUATION OF THE QUALITY OF ONLINE LEARNING USING THE ROUGH SET METHOD IN THE COVID 19 ERA . Jurnal Ipteks Terapan, [S. l.], v. 15, n. 2, p. 159–170, 2021. DOI: 10.22216/jit.v15i2.256. Disponível em: http://publikasi.lldikti10.id/index.php/jit/article/view/256. Acesso em: 25 apr. 2024.