1. Kumar, S & Sharma, S. (2013). Species diversity, uses and distribution of medicinal plants along an altitudinal gradient in Paddar valley, Northwestern Himalaya. International Journal of Medicinal and Aromatic Plants. 3(3): 343-351.

 
2. Kumar, S & Sharma, S. (2014). Diversity, disturbance and regeneration status of forests along an altitudinal gradient in Paddar valley, Northwest Himalaya. Indian Forester. 140(4): 348-3523.