TY  - BOOK
AU  - Chigoma, Willy
TI  - Technical Efficiency among Smallholder Sweet Potato Farmers in Zambia
AV  - CHI 2015 
PY  - 2015///
CY  - Masters thesis
PB  - University of Zambia
UR  - http://thesisbank.jhia.ac.ke/8695/
ER  -