TY  - BOOK
T1  - Aggregation and averaging
T2  - Methods for manpower analysis
A1  - Siegel, Irving Herbert
LA  - English
PP  - Michigan
PB  - W.E. Upjohn Institute for Employment Research
YR  - 1968
UL  - https://tuklas.up.edu.ph/Record/UP-99796217607064559
OP  - 33
CN  - HD 5711 S44
KW  - Average.
ER  -