An introduction to marketing experimentation: methods, applications, and problems / M. Venkatesan , Robert J. Holloway. Venkatesan, M., 1936- Holloway, Robert J., joint author. Marketing research. HF5415.2 .V45 658.809 VEI Bibliography: p. 139-141. New York : Free Press, c1971. c1971. 1971 Text 141 p. : eng