kamil, S.H. 2017. Laborarory Studies on the Effect of Population Density of the Scale Insect Parlatoria blanchardi on Some Biological Aspects of the Predator Chilocorus bipustulatus. Journal of Biotechnology Research Center (JOBRC). 11, 2 (Jun. 2017), 52–55. DOI:https://doi.org/10.24126/jobrc.2017.11.2.524.