TY  - BOOK
AU  - Wallace,Ben J.
TI  - Gaddang agriculture: the focus of biological and cultural change 
U1  - 307.7209591 
PY  - 1980///
CY  - Ann Arbor, Mich.
PB  - University Microfilms International
KW  - Gaddang (Philippine people)
KW  - Agriculture
KW  - Social aspects
KW  - Philippines
N1  - Thesis (Ph.D.) -- University of Wisconsin, 1967
ER  -