Elizabeth M. Williamson

Fundamentals of pharmacognosy and phytotherapy

2023

Phytopharmacy

2015

Fundamentals of Pharmacognosy

Fundamentals of Pharmacognosy and Phytotherapy E-Book

2012

Potter's herbal cyclopedia

2003

Major herbs of ayurveda

2002

Selection, preparation, and pharmacological evaluation of plant material

1996