Narayana, P. Suresh Textbook of pharmacognosy (Volume 1) / P Suresh Narayana, T Pullaiah and D Varalakshmi - 2nd ed. - India CBS Publishers 2020 - 346 p. - Volume 1. . ISBN: 9788194125488 Subjects--Topical Terms: Pharmacognosy Dewey Class. No.: 615.1 NAR-P