Progressive methods of market research for retail and services / Jakub Berčík, Johana Paluchová .
In: The Poprad economic and management forum / The Poprad economic ans management forum [305 s.]. -- Ružomberok : VERBUM, 2017. -- ISBN 978-80-561-0519-1 (brož.). -- S. 271-279
Kategória EPCA do 2021: AFD .