Karwan, S. (2003). Sistem Pertanian berkelanjutan. Kanisius.
Chicago Style CitationKarwan, Salikin. Sistem Pertanian Berkelanjutan. Kanisius, 2003.
MLA CitationKarwan, Salikin. Sistem Pertanian Berkelanjutan. Kanisius, 2003.
Warning: These citations may not always be 100% accurate.