“Histological and Histochemical Structure of Sinus Gland and Neurosecretory Granules in Local Freshwater Astacus Potamon Magnum Magnum (Pretzman)( arthropoda:Crustacea:Decapoda)”. 2009. Journal of Education and Science 22 (2): 126-48. https://doi.org/10.33899/edusj.2009.57674.