Singh, U.S., et al. “Evaluation of Eco-Physiological Variations on Wheat Productivity under Varying Densities of Ceiba Pentandra (L.) Gaertn”. Indian Journal of Agroforestry, vol. 6, no. 1, Aug. 2020, https://epubs.icar.org.in/index.php/IJA/article/view/100789.