Ali, Salah G., Hassan A. Ahmed, and Usama M. Abdul-Raouf. “Isolation and Molecular Identification of Insecticidal Activity Bacillus Thuringiensis Strain Alex-13 Isolated From Different Ecosystems in Egypt Against Spodoptera Littolaris”. ANGLISTICUM. Journal of the Association-Institute for English Language and American Studies 3 (January 8, 2016). Accessed May 3, 2024. https://anglisticum.org.mk/index.php/IJLLIS/article/view/724.