TY  - BOOK
AU  - Alvin Charles Egbert
AU  - Hyung M.Kim
TI  - A development model for the agricultural sector of portugal
SN  - 0-8018-1793-5
AV  - ERB HD2027.E35 
PY  - 1975///
CY  - n.d
PB  - Baltimore
KW  - Agriculture, Economic aspects, Portugal, Agriculture and state, Portugal Mathematical models
N1  - Includes bibliographies
ER  -