Selviani, Fitriya, and Petrus Fendiyanto. “Buku Digital Sebagai Media Pembelajaran”. Prosiding Seminar Nasional PPG Universitas Mulawarman 4 (December 30, 2023): 144–147. Accessed March 2, 2025. https://jurnal.fkip.unmul.ac.id/index.php/semnasppg/article/view/3080.