Bui และผู้แต่งคนอื่นๆ. 2003. Sustaining coffee production through intercropping systems in Daklak province, Vietnam. Field of Study Agricultural Systems, Chiang Mai University;
Bui และผู้แต่งคนอื่นๆ. (2003) Sustaining coffee production through intercropping systems in Daklak province, Vietnam . Chiang Mai University/Chiang Mai.
Bui และผู้แต่งคนอื่นๆ. Sustaining coffee production through intercropping systems in Daklak province, Vietnam. . Chiang Mai:Chiang Mai University, 2003.
Bui และผู้แต่งคนอื่นๆ. (2003) Sustaining coffee production through intercropping systems in Daklak province, Vietnam . Chiang Mai University/Chiang Mai.