The five sensory doors, together with the mind, are known in the Pali Canon as the "Six Sense Bases"«Salayatana-samyutta». Access to Insight. Consultado em 4 de dezembro de 2008 and «Salayatana-vibhanga Sutta». Access to Insight. Consultado em 4 de dezembro de 2008
Indian Buddhism by A.K. Warder Motilal Banarsidass: 2000. ISBN 81-208-1741-9 pg 278[1]
burmalibrary.org
Elizabeth Moore, "Interpreting Pyu material culture: Royal chronologies and finger-marked bricks," Myanmar Historical Research Journal, No(13) June 2004, pp.1-57, page 6 & 7. Available [2]