Rahmlow, Harold F. The teaching-learning unit Harold F. Rahmlow. - Englewood Cliffs, N.J. Educational Technology Publications c1978. - xi, 79 p. ill. 24 cm. - The Instructional design library v. 18 . 920331 Bibliography: p. 49-50. ISBN: 0877781222 LCCN: 77025107 Subjects--Topical Terms: Individualized instruction LC Class. No.: LB1031 / .R33 Dewey Class. No.: 371.39/4