Studies on Identification, Prevalence and Intensity of Infestation of Trichodinid Ciliophorans (Protozoa: Ciliophora) in the Freshwater Edible Fishes of Purulia District, West Bengal. - Modak, Biplob Kr.; Banerjee, Prabir; Basu, Saugata (Environment & Ecology, 2021)