“Online Standard Test System Based on HOTS Using Fisher-Yates Shuffle Algorithm on Final Level Students in Medan State University”. CESS (Journal of Computer Engineering, System and Science) 7, no. 2 (Juli 31, 2022): 442–448. Diakses Mei 1, 2026. https://jurnal.unimed.ac.id/2012/index.php/cess/article/view/35657.