TY  - BOOK
AU  - Loomis,Charles P.
AU  - Morales,Julio O.
AU  - Clifford,Roy A.
AU  - Leonard,Olen E.
TI  - Turrialba : social systems and the introduction of change / 
U1  - 301.09728 
PY  - 1953///
CY  - Illinois
PB  - Free Press, 
KW  - Sociology
KW  - Society
KW  - Social systems
KW  - Economic systems
KW  - Population
KW  - Health
KW  - Educational systems
KW  - Farming systems
KW  - Central America
ER  -