Mariano Marcos State University
3H54+79R, City of Batac, 2906 Ilocos Norte, Filipina
Sofia University "St. Kliment Ohridski"
bul. "Tsar Osvoboditel" 15, 1504 Sofia Center, Sofia, Bulgaria
Universiti Teknologi Malaysia
81310 Johor Bahru Johor, Malaysia.
Khon Kaen University
TZ, 40000, Thailand
Management & Science University
University Drive, Off Persiaran Olahraga, Section 13, 40100 Shah Alam, Selangor Darul Ehsan, Malaysia
