"heinich, robert . "
instructional media: / robert.. heinich - 3 ed. - usa : macmillan 1989. - "xv, 455p.; 28 cm."
0-02-35020-0 hard cover
educational technology--audio-visual education
LB1028.3 / .H45 1989
instructional media: / robert.. heinich - 3 ed. - usa : macmillan 1989. - "xv, 455p.; 28 cm."
0-02-35020-0 hard cover
educational technology--audio-visual education
LB1028.3 / .H45 1989