Kurniati, Rica. “Collaboration Between Teachers and Principals in Vocational Planning Towards Digital Transformation: A Systematic Literature Review”. PPSDP International Journal of Education 4, no. 2 (December 19, 2025): 1473–1482. Accessed July 10, 2026. https://ejournal.ppsdp.org/index.php/pijed/article/view/833.