PRUŽINSKÝ, Michal. Customers´ Motivation through Personal Sales with Good Grooming. In Marketing management, trade, financial and social aspects of business (MTS 2017). International scientific conference. New trends in process control and production management : proceedings of the international conference on marketing management, trade, financial and social aspects of business (MTS 2017), 18-20 may, 2017, Košice, Slovak Republic and Tarnobrzeg, Poland. - Leiden : CRC Press/Balkema, 2018. ISBN 978-1-138-05885-9, pp. 433-437.