• https://www.nepjol.info/https://www.kar-group.com/https://ijssers.org/https://prodentist.ru/https://journalofmedical.org/https://schwlar.com/https://jurnal.isi-dps.ac.id/https://www.hotelconcordia.ro/https://murninetsv2.planmalaysia.gov.my/https://ojs.uph.edu/
    • Kusuma, C. dan Charless (2022) “Evaluasi Penggunaan E-Learning Universitas Universal Mobile Dengan Metode Goal Directed Design”, Journal of Digital Ecosystem for Natural Sustainability, 2(1), hlm. 1–7. Tersedia pada: https://journal.uvers.ac.id/index.php/jodens/article/view/50 (Diakses: 3 April 2025).