Vijayabharathi, R and Sathya, A and Gopalakrishnan, S  (2015) Plant Growth-Promoting Microbes from Herbal Vermicompost.   In:  Plant-Growth-Promoting Rhizobacteria (PGPR) and Medicinal Plants.   Soil Biology, 42 .  Springer International Publishing, Switzerland, pp. 71-88.  ISBN 978-3-319-13401-7