Gregory, Gayle. Differentiated instructional strategies in practice : training, implementation, and supervision / Gayle H. Gregory. - Thousand Oaks, Calif. : Corwin Press, 2003. - xi, 129 p. : ill. ; 27 cm. Includes bibliographical references (p 121-126) and index. ISBN: 0761939016 (hbk.) RM274.34 0761939024 (pbk.) Subjects--Topical Terms: Individualized instruction.Teachers--In-service training.