Number 42

Authors: Farhad Alam , Manavver Ali

Authors: Ihab M. Abdelwahed , Nagy Ramadan , Hesham Ahmed Hefny

Authors: Ahmed Othman Mohammed , Moheb R. Girgis

Authors: Md Ashikur Rahman , Md Arifur Rahman , Juena Ahmed Noshin

Authors: Marwa Dahdouh , Amer Bouchi , Souheil Khawatmi , Mouhamad Ayman Naal

Authors: Indumati , Ratna Banerjee , Veena Aggarwal , Remica Aggarwal

Authors: P. K. Kapur , Lakshay Aggarwal , Viraj Voditel , Remica Aggarwal

Authors: Mahmoud Rokaya