H. Ibrahim, I. Sitepu, M. L. W. B. Nainggolan, I. P. Damanik, and S. K. R. Dewandini, PENYULUHAN PERTANIAN BERKELANJUTAN BERBASIS SDGs. PT. Ghani Press Group, 2026. Accessed: Jul. 22, 2026. [Online]. Available: https://e-book.ghanipress.com/index.php/ghanipress/catalog/book/61