[1] Univ Oradea, Fac Geog Tourism & Sport, Dept Geog Tourism & Terr Planning, Oradea 410087, Romania
[2] King Faisal Univ, Coll Arts, Dept Social Studies, Al Hasa 31982, Saudi Arabia
[3] Helwan Univ, Fac Tourism & Hotel Management, Tourism Studies Dept, Cairo 12612, Egypt
[4] Bethany Med Clin Oradea, Med Lab Serv, Oradea 410004, Romania
[5] Univ Oradea, Fac Med & Pharm, Dept Preclin Disciplines, Oradea 410073, Romania
[6] Univ West Indies, Fac Food & Agr, Dept Geog, St Augustine Campus, St Augustine, Trinidad Tobago
[7] Univ Oradea, Fac Environm Protect, Dept Environm Engn, Magheru St 26, Oradea 410087, Romania
[8] Samarkand Branch Tashkent State Univ Econ, Fac Econ, Dept Food & Agr Econ, Samarkand 140103, Uzbekistan