Hajnalka Csafor,, Anita Kozak,, Associate Professor, Eszterhazy Karoly University of Applied Sciences, Faculty of Economics and Social Sciences, Department of Economics,
Hamid, Kamran, COMSATS UNIVERSITY ISLAMABAD, Lahore Campus
Hema Yousif, Amani Maaz, 1Faculty of Civil engineering, Sudan University of Science & Technology, Khartoum, Khartoum North, Sudan

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