Purbiyanto, Eko, Purwanto Purwanto, and Retno Wahyuningsih. “Evaluating Parent Satisfaction: The Impact of Educational Service Quality at an Islamic Kindergarten in Colomadu, Karanganyar, Central Java”. AL-ISHLAH: Jurnal Pendidikan 15, no. 4 (December 27, 2023): 6172–6181. Accessed November 13, 2026. https://journal.staihubbulwathan.id/alishlah/article/view/4663.