R. Regmi, S. Poudel, R. C. Regmi, and J. . Shrestha, “Effect of Sowing Dates and Nitrogen Levels on Population of Okra Jassids (Amrasca biguttula biguttula Ishida)”, Indonesian J. Agric. Res, vol. 3, no. 2, pp. 127 - 135, Jul. 2020.