I. Marina, A. Adi, M. D. Lestari, T. S. Napitupulu, S. Hadi, and H. N. Faisal, Hulu ke Hilir: Inovasi Manajemen dan Rantai Nilai Agribisnis Modern. PT. Ghani Press Group, 2026. Accessed: Jul. 22, 2026. [Online]. Available: https://e-book.ghanipress.com/index.php/ghanipress/catalog/book/58