Ruswandi, Iwan, Bibin Rubini, and Widodo Sunaryo. “Managerial Effectiveness Strategy of Education Foundations in Improving the Quality of Private Education”. TOFEDU: The Future of Education Journal 4, no. 6 (June 18, 2025): 1699–1714. Accessed July 13, 2025. http://journal.tofedu.or.id/index.php/journal/article/view/597.