Contact
Prof. Dr Mourad Ali Eissa Saad
profmouradali@gmail.com
Prof. Dr. Adnan Ömerustaoğlu
aomerustaoglu@biruni.edu.tr
Technical Support Contact
Abdulkadir Palancı
editor@perrjournal.com
Publisher Contact
Prof. Dr. Adnan Ömerustaoğlu
publisherbiruniuniversity@perrjournal.com