Putri, Windy Widya, Sri Murtiana, and Guntur Eko Saputro. “Economic Development Strategies Based on Food Self-Sufficiency in Indonesia: An Ends-Ways-Means Analysis”. PPSDP International Journal of Education 5, no. 2 (October 6, 2026): 515–534. Accessed October 17, 2026. https://ejournal.ppsdp.org/index.php/pijed/article/view/920.