Asher, Herbert B.
Causal modelind .-- 2ª .-- Beverly Hills : Sage , 1983
.--1 v. 22 cm. .-- ( Quantitative applications in the social sciences ; 3 ).
Causal modelind .-- 2ª .-- Beverly Hills : Sage , 1983
.--1 v. 22 cm. .-- ( Quantitative applications in the social sciences ; 3 ).