F. Hasan and S. Subari, BUKU AJAR PENGANTAR ILMU PERTANIAN Tinjauan Teknis, Sosial, Ekonomi, dan Kelembagaan. PT. Ghani Press Group, 2026. Accessed: Feb. 22, 2026. [Online]. Available: https://e-book.ghanipress.com/index.php/ghanipress/catalog/book/26