TY  - BOOK
AU  - United NationsDepartment of International Economic and Social Affairs.
TI  - Projection methods for integrating population variables into development planning
U1  - DB301.32 
PY  - 1989///
CY  - New York
PB  - United nations
N1  - v.1: Methods for comprehensive planning module one conceptual issues and methods for preparing demographic projects
ER  -