Ruangwit Chaijirawowg; Khanita Nuamsee; Pongrat Dumrongrojwattana. Shell and Radula Morphology and Reproductive Anatomy of the Introduced Carnivorous Snail, Gulella bicolor (Pulmonata: Streptaxidae) from Chon Buri Province. Agr. Nat. Resour. 2008, 42, 251-255.