“Changes in Bacillus Thuringiensis Tolerance Levels Due to Hybridization of Bt-Tolerant and Susceptible Silkworm Populations: Bacillus Thuringiensis Tolerant Silkworm Hybrids”. Biological Sciences - PJSIR, vol. 55, no. 2, Aug. 2012, pp. 101-7, https://doi.org/10.52763/PJSIR.BIOL.SCI.55.2.2012.101.107.