Nadaf, H. A., G. S. Yadav, H. D. Kaushik, and S. K. Sharma. “Melissopalynological Investigations of Apis Mellifera L. Corbicular Pollen and Honey from Hisar, Haryana”. ENTOMON, vol. 42, no. 1, Mar. 2017, pp. 23-30, https://www.entomon.in/index.php/Entomon/article/view/247.