Uddin, Md. Kalim, M. M. Kamal, M. M. Akand, M. M. Hasan, and M. N. A. Chowdhury. 2015. “Effect of Different Pollinator Attractant Crops for Seed Setting and Maximizing Seed Yield of Onion”. International Journal of Applied Sciences and Biotechnology 3 (4):737-43. https://doi.org/10.3126/ijasbt.v3i4.13999.