Imana, A. G. and Nugroho , Y. S. (2023) “UX (USER EXPERIENCE) EVALUATION OF THE OPENLEARNING SYSTEM AT UNIVERSITAS MUHAMMADIYAH SURAKARTA USING HEURISTIC EVALUATION AND USABILITY TESTING”, Jurnal Teknik Informatika (Jutif). Purwokerto, 4(4), pp. 681-691. doi: 10.52436/1.jutif.2023.4.4.824.