Trehan, Keshav. Biotechnology / Keshav Trehan. - New Delhi : New age internation plt., © 2013. - vii, 286 p. : ill ; 25 cm Farida Nasrin. Farida Nasrin. ISBN: 9788122401295 Subjects--Topical Terms: Biotechnology. Dewey Class. No.: 660.6 / T717 b