Burayu Belew และผู้แต่งคนอื่นๆ. 2006. Conservation tillage options for sustainable crop production systems in the semi-arid and sub-humid oromiya. Field of Study Tropical Agriculture, Kasetsart University; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/KU.the.2006.671

Burayu Belew และผู้แต่งคนอื่นๆ. Conservation tillage options for sustainable crop production systems in the semi-arid and sub-humid oromiya. . Bangkok:Kasetsart University, 2006. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/KU.the.2006.671

Burayu Belew และผู้แต่งคนอื่นๆ. (2006) Conservation tillage options for sustainable crop production systems in the semi-arid and sub-humid oromiya . Kasetsart University/Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/KU.the.2006.671