Полный текст
Flom WORLD BANK, ECHNICAL PAPER NUMBER 22' |G||A AFRICA TECHNtCAL DEPARTMiENT SERIES EvTaluation of T&V-Based Extension in Burkina Faso Vishva Bindlish, Robert Evenson, and Mathurin Gbetibouo (4 t~~~~~~4~ 14 Q ~~A I A K~~~~~~~Y 2 P N -P- -, 4 4| rM'' '' I \