Bullough, Robert V.
Creating instructional materials / Robert V. Bullough, Sr. - 2d ed. - Columbus : Merrill, c1978. - ix, 278 p. : ill. ; 25 cm.
Includes bibliographies and index.
0675083613
77015677
Teaching--Aids and devices.
Audio-visual materials.
LB1043 / .B82 1978
371.335 / BUC
Creating instructional materials / Robert V. Bullough, Sr. - 2d ed. - Columbus : Merrill, c1978. - ix, 278 p. : ill. ; 25 cm.
Includes bibliographies and index.
0675083613
77015677
Teaching--Aids and devices.
Audio-visual materials.
LB1043 / .B82 1978
371.335 / BUC