Comparison of Different Cropland Classification Methods under Diversified Agroecological Conditions in the Zambezi River Basin oleh José Bofana, Miao Zhang, Mohsen Nabil, Bingfang Wu, Fuyou Tian, Wenjun Liu, Hongwei Zeng, Ning Zhang, Shingirai S. Nangombe, Sueco A. Cipriano, Elijah Phiri, Terence Darlington Mushore, Peter Kaluba, Emmanuel Mashonjowa, Chrispin Moyo