TY  - BOOK
AU  - Ponce, Eliseo R.
AU  - Salazar, Robert C.
AU  - Zerrudo, Alma Bella L.
TI  - Sustaining Upland Development: Selected Papers
SN  - 9711180758
U1  - 333.73 
PY  - 1989///
CY  - USA
PB  - De La Salle University Research Center
KW  - Economics
KW  - Social sciences
KW  - Agroforestry
KW  - Hill farming
KW  - Philippines
ER  -