Authors: Ibrahim Adeyanju
Authors: A. Alajmi, E. M. Saad, R. R. Darwish
Authors: Tahar Dilekh, Ali Behloul
Authors: El Sayed Abdel Wahed, Ibrahim Al Emam, Amr Badr
Authors: Adrijan Božinovski, Nevena Ackovska
Authors: J. B. Seventline, G. V. K. Sharma, K. Sridevi, D. Elizabath Rani, K. Raja Rajeswari
Authors: Youssef Zaitar, Mohamed Ouzarf
Authors: Akbar Banitalebi, Mohd Ismail Abd Aziz, Rohanin Ahmad
Authors: S. R. Chaudhari, D. D. Komejwar