Richard B. Franken: Полный список книг

Richard B. Franken: список всех книг (1)

The Attention Value of Advertisements in a Leading Periodical, an Experiment in Measuring the Relative Attention Secured by the Various Advertisements Printed in the

The Attention Value of Advertisements in a Leading Periodical, an Experiment in Measuring the Relative Attention Secured by the Various Advertisements Printed in the "Saturday Evening Post" of November 8, 1919

George Burton Hotchkiss, Richard B. Franken

2018