Ventura JB, Fabro AMF. Quality Assurance in Instruction and its Role in Promoting Sustainable Development in Selected State Colleges and Universities in Northern Luzon. IJRIS [Internet]. 2026 Jul. 11 [cited 2026 Nov. 12];4(7):54-69. Available from: https://journal.ijris.com/index.php/ijris/article/view/327