Sengar, N.P.S A textbook of pharmacognosy / N.P.S. Sengar, Ritesh Agarwal, Ashwini Singh - Hyderabad: PharmaMed Press, c2009 - xii, 244p. : ill. ; 24 cm. ISBN: 9788188449814 (pbk.) Rs.195.00 Subjects--Topical Terms: Pharmacognosy Dewey Class. No.: 615.321