Evaluation of Instructional Technology || THE OPEN UNIVERSITY: A SURVEY AND ECONOMIC ANALYSIS
KEITH G. LUMSDEN and CHARLES RITCHIEVolume:
4
Language:
english
Journal:
Instructional Science
DOI:
10.2307/23368143
Date:
October, 1975
File:
PDF, 3.77 MB
english, 1975