Singh, J., N. R. Kumar, and A. Devi. “Insect Pollinators, Their Diversity, Foraging Behaviour and Relative Abundance on Litchi, Okra and Sarson”. ENTOMON, vol. 42, no. 4, Dec. 2017, pp. 275-82, http://entomon.in/index.php/Entomon/article/view/327.