Secretary of the Editorial Committee
Małgorzata Macuda
PUEB, Poland
malgorzata.macuda@ue.poznan.pl

Editorial support
Eliza Szybowicz
PUEB, Poland
eliza.szybowicz@ue.poznan.pl

Technical writer
Marta Dobrecka
PUEB, Poland
marta.dobrecka@ue.poznan.pl

Publishing house
Poznań University of Economics and Business
ul. Powstańców Wlkp. 16
61-895 Poznań, Poland

Uploading of content
Mr SIEWE Armand Rostant
Web master AIELF
IT Manager, University of Dschang – Cameroon
armand.siewe@univ-dschang.org