Agustina, Mediarita, Muhammad Kristiawan, dan Tobari Tobari. “The Influence of Principal’s Leadership and School’s Climate on The Work Productivity of Vocational Pharmacy Teachers in Indonesia”. International Journal of Educational Review 3, no. 1 (Juli 26, 2020): 63–76. Diakses September 10, 2025. https://ejournal.unib.ac.id/IJER/article/view/11858.