TY  - BOOK
AU  - UNESCO
ED  - UNESCO
TI  - Problems of Surveying and social sciences an human
U1  - Sigma b4, K5 
PY  - 1964///
CY  - -
PB  - Published By UNESCO        
KW  - Social Science
N1  - Issued as International social science Journal 16(4), 1964
ER  -