Ittyaverah, P JNair, N RThomas, M JKAU2019-07-262019-07-261979Agricultural Research Journal of Kerala, 17(2), 296.http://krishikosh.egranth.ac.in/handle/1/5810117140ennullLimnaea Acuminata Lamarch (Pulmonata : Limnaeidae) A pest on azolla (Azolla Pinnata)Article