TY  - BOOK
AU  - Vajda,S
TI  - Mathematics of Manpower Planning 
SN  - 0471996270
U1  - 331.11015 
PY  - 1978///
CY  - New York: 
PB  - John wiley&Sons, 
KW  - Cohort
KW  - Economics
KW  - Population
KW  - Semi Stationary
ER  -