Creating instructional materials /
Bullough, Robert V.
Creating instructional materials / Robert V. Bullough, Sr. - 2nd ed. - Columbus : Merrill, 1978. - ix, 278 p. : ill. ; 25 cm.
Includes bibliographies and index.
Open access.
0675083613
Teaching--Aids and devices.
Audio-visual materials.
Creating instructional materials / Robert V. Bullough, Sr. - 2nd ed. - Columbus : Merrill, 1978. - ix, 278 p. : ill. ; 25 cm.
Includes bibliographies and index.
Open access.
0675083613
Teaching--Aids and devices.
Audio-visual materials.