ICAR-DCFR Annual Report 1999-2000, National Research Centre on Coldwater Fisheries Research (NRCCWF) Presently, ICAR-Directorate of Coldwater Fisheries Research , Bhimtal - 263136, Nainital, Uttarakhand, India
B. Marutiram (1973) , Analysis of covariance in two way classification with disproportionate cell frequencies- estimation of true class effects, Unpublished Diploma in Agricultural and Animal Husbandry Statistics, IASRI, New Delhi