Jannah SM, Karwanto K, Izzati UA. Implementation of an Internal Quality Assurance System (IQAS) in Vocational Schools. IJORER Int. J. Recent Educ. Res. [Internet]. 2024Jul.30 [cited 2025Jul.2];5(4):877-90. Available from: https://journal.ia-education.com/index.php/ijorer/article/view/619