• [Wiki] http://en.wikipedia.org/wiki/Hoplobatrachus_tigerinus.
• [amphibiaweb] http://amphibiaweb.org/species/4715.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Hoplobatrachus_occipitalis.
• [DashHota1980] Dash, M. C. and Hota, A. K. (1980). Density effects on the survival, growth rate, and metamorphosis of Rana trigrina tadpoles. Ecology, 6(5):1025--1028.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.