Puspa NA, Masduki. Quality Management Based on Information Technology in the Management of Non-Formal Educational Institutions: A Study of the Englishcall English Course in Cirebon City. alfahim [Internet]. 2025 Sep. 30 [cited 2026 Sep. 23];7(2):500-13. Available from: https://staitbiasjogja.ac.id/jurnal/index.php/alfahim/article/view/2180