SUNARYO, Sunaryo; RIYANTA, Wawan; ARIFIANTO, Teguh Arifianto. Penerapan Metode Research and Development Untuk Pengembangan Sumber Belajar Digital (Open Course Ware) di Politeknik Perkeretaapian Indonesia Madiun. Jurnal Ilmiah Intech : Information Technology Journal of UMUS, [S. l.], v. 4, n. 02, p. 246–254, 2022. DOI: 10.46772/intech.v4i02.867. Disponível em: https://jurnal.umus.ac.id/index.php/intech/article/view/867. Acesso em: 28 apr. 2024.