Musa, Safuri, Yusuf Muhyiddin, and Sri Nurhayati. “Agriculturally Based Equivalent Education: Insights on Nonformal Education Human Resources and Program Quality”. Journal of Human, Earth, and Future 3, no. 4 (December 1, 2022): 441–451. Accessed July 1, 2025. https://www.hefjournal.org/index.php/HEF/article/view/199.