hidayat sutawidjaya, Ahmad, and Lenny Christina Nawangsari. “Servqual: Strategies to Improve University Library Services”. International Journal of Engineering and Technology 9, no. 1 (March 25, 2020): 326–332. Accessed May 29, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/30284.