Narayana, P. Suresh Textbook of pharmacognosy P. Suresh Narayana, T. Pullaiah and D Varalakshmi. - New Delhi CBS 2014 - v.2: ill.; 23cm. ISBN: 9788123923895 Subjects--Topical Terms: Pharmacognosy Medicinal plant Materia medica, vegetable. Dewey Class. No.: 615.321 / N25T