Instructional technology :
Wittich, Walter Arno, 1910-
Instructional technology : its nature and use / Walter A. Wittich, Charles F. Schuller. - 6th ed. - New York : Harper & Row, c1979. - xx, 331 p. : ill. ; 24 cm.
Includes bibliographies and index.
0060471697
\\\78012812
371.33
Instructional technology : its nature and use / Walter A. Wittich, Charles F. Schuller. - 6th ed. - New York : Harper & Row, c1979. - xx, 331 p. : ill. ; 24 cm.
Includes bibliographies and index.
0060471697
\\\78012812
371.33