TY  - BOOK
AU  - Hill,E.B.
TI  - An economic background for agricultural research in Puerto Rico
PY  - 1939///
CY  - Río Piedras, P.R.
KW  - Agriculture
KW  - Economic aspects
KW  - Local
KW  - Agricultural research
KW  - Puerto Rico
N1  - Bibliographical references included in "Literature cited"
ER  -