<ref name="arboreal medicine">[https://www.ncbi.nlm.nih.gov/pubmed/22557461 VRIKSHAYURVEDA (Arboreal Medicine in Ancient India).]</ref>
<ref name="plant-disorders">[http://interscience.org.uk/images/article/v7-i5/11ijahm.pdf Vrikshayurveda - a review.]</ref>
<ref name="wjpps-paper">[http://www.wjpps.com/download/article/1432979698.pdf The science of plant life (vriksha ayurveda) in archaic literature: an insight on botanical, agricultural and horticultural aspects of ancient India - WORLD JOURNAL OF PHARMACY AND PHARMACEUTICAL SCIENCES]</ref>