RanggaFirdaus, BasukiWibawa, Khaerudin. “Conceptual Model Design of Assistances System Development for Informatics Proficiency TestBased on Ubiquitous Learning”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 6 (June 10, 2021): 4891–4898. Accessed December 21, 2024. https://turcomat.org/index.php/turkbilmat/article/view/8668.