Farrel, Joyce. Programming logic formulation/ Joyce Farrel. - Sixth edition. - Australia: Cengage Learning, c2009. - xvii, 450 pages; 22 cm. ISBN: 13: 978-981-4253-04-8 10: 981-4253-04-9 Subjects--Topical Terms: Programming logic. Dewey Class. No.: DC 001.424 / F11p