Symposium: 1983: Montreal, Session 4 - Validity: panels and other approaches
Authors: Appel, Valentine
Organisations: Simmons Market Research Bureau
Topics: Readership Model, Validity
Symposium: 1983: Montreal, Session 4 - Validity: panels and other approaches
Authors: Appel, Valentine
Organisations: Simmons Market Research Bureau
Topics: Readership Model, Validity