http://pages.prodigy.net/anderhan/ch20acidbase.html
learn.sdstate.edu/millerm/spring04/
http://misterguch.brinkster.net/acidtutorial.html
http://cwx.prenhall.com/bookbind/pubbooks/hillchem3/medialib/media_portfolio/15.html
http://www.everythingbio.com/glos/definition.php?word=acid
http://www.biochem.northwestern.edu/holmgren/Glossary/Definitions/Def-A/acid.html
تستhttp://www.smes.org/classes/chemistry/firstyear/SelfTest10'07.htm
اسید-باز دبیرستان http://www.siraze.net/chemistry/sezennur/acidsbases.htm
آمین ها http://butane.chem.uiuc.edu/cyerkes/chem104A_S07/Lecture_Notes_104/lect26c.html
http://www.chemguide.co.uk/basicorg/acidbase/bases.html
khobe vali bishtar konkorish konin ta azmaeshgahi