Paul, Richard. Critical thinking : tools for taking charge of your learning and your life / Richard Paul, Linda Elder. - 4th ed. - London ; New York : The Foundation for Critical Thinking, Blue Ridge Summit; Rowman & Littlefield, 2021 - 586 p. : col. ill. ; 23 cm. Includes bibliographical references and index. ISBN: 9781538138748 Subjects--Topical Terms: Critical thinking. Dewey Class. No.: 153.42 / PAC 2021