V. S. Peter and M. C. S. Peter, “Influence of Coconut Husk Retting Effluent on Metabolic, Interrenal and Thyroid Functions in the Air-Breathing Perch, <i>Anabas testudineus</i> Bloch”, JER, vol. 11, no. 2, pp. 62–68, Dec. 2007.