TY  - BOOK
AU  - Bean Lee L
TI  - Provisional  estimates of length of working life i
T2  - Reprinted from the Pakistan development reiview8(2) summer 1967
U1  - X:9561.44Q7.N6, K7 
PY  - 1967///
CY  - Karachi
PB  - P I D E Pankistan      
KW  - Employment and  Serivce
ER  -