JOHN, Varkey. HYDROBIOLOGICAL STUDIES ON THE RIVER KALLAYI IN KERALA. Indian Journal of Fisheries, India, v. 23, n. 1 & 2, p. 72–85, 2011. Disponível em: https://epubs.icar.org.in/index.php/IJF/article/view/12178. Acesso em: 24 oct. 2025.