Niku, Elpipres, Bambang Budi Wiyono, Nurul Ulfatin, and Maisyaaroh. “Quality Assurance in the Open University Service Online Learning Tutorial ”. JTP - Jurnal Teknologi Pendidikan 25, no. 3 (December 31, 2023): 610-618. Accessed June 8, 2025. http://103.8.12.212:33180/unj/index.php/jtp/article/view/45724.