Nagel, Stuart S.
Operations research methods .-- Beverly Hills (etc.) : Sage , 1975
.--1 v. 22 cm. .-- ( Quantitative applications in the the social science;2 ).
Neef, Marian
Operations research methods .-- Beverly Hills (etc.) : Sage , 1975
.--1 v. 22 cm. .-- ( Quantitative applications in the the social science;2 ).
Neef, Marian