Al-Kalak, S., سندس, Mohammed, M. and محمد 2007. A CHEMICAL STUDY FOR THE DETECTION OF PROTEIN AND CARBIDIC MATERIALS AND THE FUNCTIONAL ROLE OF BARRIER Khawia lutei (Cestoda : Lytocestodae ; Caryophyllidea). Journal of Education and Science (JES). 20, 1 (Sep. 2007), 70–85. DOI:https://doi.org/10.33899/edusj.2007.162799.