Evans Fuad, Regiolina Hayami, and A. Kharisma. “Evaluasi Usabilitas Website E-Learning Umri Terhadap Mahasiswa Umri Menggunakan Metode Usability Testing ”. Jurnal CoSciTech (Computer Science and Information Technology), Vol. 2, no. 2, Dec. 2021, pp. 74-82, doi:10.37859/coscitech.v2i2.3029.