Thakur, Anju, and Neha Sayal. 2018. “Effects of Seed Invigoration Treatments on Seed Germination, Seedling Vigour and Physiobiochemical Characteristics of Angelica Glauca EDGEW –An Endangered Medicinal Herb”. International Journal of Bio-Resource and Stress Management 9 (Jun, 3):353-58. https://www.ojs.pphouse.org/index.php/IJBSM/article/view/3709.