Number 19

Authors: Vipin Saxena , Santosh Kumar

Authors: N. M. Tamboli , A. M. Kamble , P. S. Metkewar

Authors: P. K. Sahoo , R. K. Chottray , S. Pattnaiak

Authors: Rama Subbu Lakshmi B , Jayabhaduri R

Authors: M. V. R. Vittal

Authors: Rathnakar Acha , V. Vityanathan , Pethur Raj , S. Nagarajan

Authors: Anwar Ul Haque , Muhammad Saeed , Farhan Ahmed Siddiqui

Authors: Mercy Paul Selvan , A .chandra Sekar , A. Priya Dharshini