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37by Gopalakrishna Iyer, T.S., Varma, P.R.G., Rao, C.C.P., Joseph, K.G., Unnikrishnan Nair, T.S.
Published 1986article bibliotecaUNESCO -
38by Mohan,C. B., Gopalakrishna,K., Mahesh Lohith,K. S., Venkatesh,Krishna, Divakar,C., Mithun,R. B., Naveen,T. N.
Published 2008Digital revistaSCIELO -
39by Thadathil,Pankajakshan, Muraleedharan,P.M., Gopalakrishna,V.V., Reddy,G. V., Ratnakaran,Lasitha, Revichandran,C., Murthy,V.S.N.
Published 2004Digital revistaSCIELO -
40by Joshi, N.C., Indian Council of Agricultural Research, New Delhi eng, Gill, H.S., Brar, L.S., Gopalakrishna Pillai, K., Sankaran, S.
Published 1977Texto bibliotecaFAO IT