Vijayan, K., R. S. Sakthivel, and T. Sajeev. “First Record of Body Colour Polymorphism in Giant African Snail Achatina Fulica (Bowdich, 1822) - a Comparative Study Using Mitochondrial Cytochrome Oxidase Subunit I (COI) Gene”. ENTOMON, vol. 44, no. 2, June 2019, pp. 155-60, doi:10.33307/entomon.v44i2.444.