TY  - BOOK
AU  - Horton,  D.
AU  - Gapasin, D.;Sheridan, K.;Ballantyne, P.;Uribe, B.;Peterson, W.
TI  - Monitoring and evaluating agricultural research
SN  - 851988601
PY  - 1993///
CY  - Wallingford
PB  - C.A.B. International
ER  -