Prasad, Rajendra, Prashant Singh, V.D. Tripathi, Ashok Shukla, A.K. Handa, B. Alam, R. Singh, and O.P. Chaturvedi. 2020. “Standardization of Gum Tapping Techniques for Butea Monosperma L.: Effect of Types and Depth of Incision on Gum Exudation”. Indian Journal of Agroforestry 18 (2). https://epubs.icar.org.in/index.php/IJA/article/view/103215.