1. Department of General Studies, Jubail Industrial College, Jubail, Industrial City 31961, Kingdom of Saudi Arabia
2. Catholic University of Croatia, Ilica 242, 10000, Zagreb, Croatia
3. Faculty of Textile Technology Zagreb, University of Zagreb, Prilaz Baruna Filipovića 28A, 10000, Zagreb, Croatia
4. RUDN University, 6 Miklukho-Maklay St, Moscow, 117198, Russia