Principles of instructional design
Gagne, Robert M.
Principles of instructional design - New York : Holt Rinehart and Winston, 1974. - ix,270p.; 24cm
0030081718
School Education
371.3 / GAG
Principles of instructional design - New York : Holt Rinehart and Winston, 1974. - ix,270p.; 24cm
0030081718
School Education
371.3 / GAG