Number 20

Authors: Gurinderpal Singh Brar , V.k Jain , Amanpreet Singh

Authors: S.m. Rubayat Islam , Shanjida Shawkat , Sumit Bhattacharyya , Md. Khaled Hossain

Authors: Sidra Hassan , M. Mateen Yaqoob

Authors: Kulsoom Fatima , M. Mateen Yaqoob

Authors: Nazrul Islam , Sajjad Waheed , Abul Hasnat Anik , Sudarsan Pal

Authors: Abdul Razaque , Khaled Elleithy

Authors: Satish D. Pawar , Pallavi V. Kulkarni

Authors: Najlae Falah Hameed Al Saffar , Mohamad Rushdan Md Said