บรรณานุกรม
http://ecurriculum.mv.ac.th/library2/lobrary/thailiterature/10000-3944.html
http://pet.sundavplaza.com/fish/story/discus.htm
http://pet.kapook.com/view4314.htm
http://kah.kasetanimalhospital.com
http://th.wikipedia.org/wiki/