International Yearbook of educational and instructional technology 1986/87 : association for educational and training technology / C. W. Osborne and A. J. Trott. - London : Kogan page, c1986. - 481 p. ; 22 cm.

1850911037 03079732 0893972398

Trends and Reading. Directory of centres of activity.

371.3078 / ASO