Singh, G., Kaur, B., Sharma, N., Bano, A., Kumar, S., Dhaliwal, H. S. and Sharma, V. (2015) “In vitro micropropagation and cytomorphological evaluation of Centella asiatica (L.) urban (Mandukparni) from Himachal Pradesh, India - an endemic, endangered and threatened herb”, Plant Tissue Culture and Biotechnology, 24(2), pp. 155–171. doi: 10.3329/ptcb.v24i2.23550.