Gupta, P. K., ELIEMENTS OF BIOTECHNOLOGY by P. K. Gupta - 1st ed. - New Delhi: Rastogi Publication, 2001. - viii,602pg: 22cm. ISBN: 81-7133-412-1 Subjects--Personal Names: BOTANY. Subjects--Topical Terms: . Chemical engineering Dewey Class. No.: 660.6 / GUP / GUP / GUP