TY  - BOOK
AU  - Schwarz, Paul A.
AU  -  Krug, Robert E.
TI  - Ability testing in developing countries: a handbook of principles and techniques 
U1  - 371.26 
PY  - 1972///
CY  - New York
PB  - Praeger Publishers
KW  - Occupational aptitude tests -- Developing countries
KW  - Ability -- Testing
ER  -