Field validation of mail surveys: a monograph from the advanced commercial survey methods (COMSURV) project

저자

by Electric Power Research Institute

단체저자

Electric Power Research Institute(EPRI)

발행사항

California Electric Power Research Institute 1986

형태사항

xiii 1-4 2-7 3-60 4-2 A-16 B-15 C-15 D-2 E-35p. 28cm

주제명

commercial forecasting data acquisition end-use models mail surveys market research verification methods