Limbong, Tonni, and Janner Simarmata. “Determining Effective Subjects Online Learning (Study and Examination) With Multi-Attribute Utility Theory (MAUT) Method”. Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) 4, no. 2 (April 20, 2020): 370 - 376. Accessed May 9, 2025. http://jurnal.iaii.or.id/index.php/RESTI/article/view/1851.