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Swathi Lekshmi, P S and Venugopalan, R and Padmini, K (2009) P R A methods for studying the impact of technology adoption in crop and poultry enterprises in a rural village. Indian Journal of Social Research, 50 (1). pp. 1-14.
Swathi Lekshmi, P S and Venugopalan, R and Padmini, K (2008) Livelihood analysis using wealth ranking tool of PRA. Indian Research Journal of Extension Education, 8 (2 & 3). pp. 75-77.
Vivekanandan, E and Venugopalan, R and Ramadoss, P (2002) Assessment of changes in the threadfin bream species composition using Markov chain. Indian Journal of Fisheries, 49 (3). pp. 241-246.
Venugopalan, R and Padmini, K and Swathi Lekshmi, P S and Lenin, V and Latha, P C (1999) Application of PRA technique for field problem identification. Agicultural Extension Review, 11 (4). pp. 3-9.
Venugopalan, R and Srinath, M (1998) Modelling and forecasting fish catches : Comparison of regression, univariate and multivariate time series methods. Indian Journal of Fisheries, 45 (3). pp. 227-237.
Venugopalan, R and Prajneshu, (1998) On nonlinear procedure for obtaining length - weight relationship. Indian Journal of Animal Sciences, 68 (1). pp. 70-72.