Jackson, Debra. Critical thinking : a user's manual / Debra Jackson, Paul Newberry. - Boston, MA : Wadsworth/Cengage Learning, c2012. - xvii, 344 p. : col. ill. ; 26 cm. Includes index. ISBN: 9780495814078 (pbk.) 0495814075 (pbk.) Subjects--Topical Terms: Critical thinking. Dewey Class. No.: 153.42 / JAC 2012