Applying SERVQUAL to Improve the Quality of Service Delivery in Vocational Education in Indonesia: Penggunaan SERVQUAL Untuk Penambahbaikan Kualiti Perkhidmatan Di Pendidikan Vokasional Di Indonesia. (2016). Journal of Management and Muamalah , 6(2), 67-78. https://jmm.uis.edu.my.kuisjournal.com/index.php/jurnal/article/view/79