“Effect of Methods of Nutritional Administration on the Development of Silkworm Bombyx mori L.: Nitrogen Effect on Silkworm Development”, Pakistan Journal of Scientific & Industrial Research, vol. 54, no. 2, pp. 71–75, Aug. 2011, doi: 10.52763/PJSIR.BIOL.SCI.54.2.2011.71.75.