Krishna Prasanth, B. Guide to research methodology and biostatistics / by B. Krishna Prasanth, S Valarmathi, N Aravindha Babu & MS Deva Malika. - 1st ed - New Delhi. CBS: 2017. - 259p.: ill., photographs; 20cm. ISBN: 9789386310644 Dewey Class. No.: 570.72 / PRA/G