Raharjo, Teguh Hardi, Nina Oktarina, and Dian Fithra Permana. “Perceived Service Quality in the Era of Sustainable Higher Education: Evidence from Teacher Training Institutions in Indonesia”. Asian Journal of Interdisciplinary Research 9, no. 2 (June 18, 2026): 287–296. Accessed June 27, 2026. https://journals.asianresassoc.org/index.php/ajir/article/view/7164.