1. APL Congress 73. Proceedings of the APL Congress 73, Copenhagen Denmark, Aug. 22-24 1973
Author: / Ed. by P. Gjerlov, H. J. Helms and Johs Nielsen
Library: Central Library and Archive Center of shahid Beheshti University (Tehran)
Subject: Programmed instruction - Congresses
Classification :
371
.
39442
As-A
