Ladu, L. B. and Madara, A. A. (1994) “The use of synthetic and natural androgens for the production of monosex male <i>Oreochromis niloticus</i> (Pisces)”, Revista de Biología Tropical, 42(3), pp. 755–757. Available at: https://revistas.ucr.ac.cr/index.php/rbt/article/view/23296 (Accessed: 26April2024).