Strickland, Cindy A., 1959- Professional development for differentiating instruction : an ASCD action tool / Cindy A. Strickland. - Alexandria, Va. : Association for Supervision and Curriculum Development, 2009. - vii, 273 p. : ill ; 28 cm. Includes bibliographical references (p. 271-272). ISBN: 9781416608110 (pbk. : alk. paper) LCCN: 2008048561 Subjects--Topical Terms: Individualized instruction.Teachers--In-service training. LC Class. No.: LB1731 / .S735 2009 Dewey Class. No.: 370.71/5