Kennard, James . Mastering joomla 1.5 extension and framework development the professional`s guide to programming Joomla / by James Kennard. - Mumbai : Shroff Publishers and Distributors Pvt. Ltd. , 2008 - 470p ; ISBN: 81-8404-467-4 Subjects--Topical Terms: Computer science Dewey Class. No.: BV / P8;9