Centralized vs. decentralized computer assisted instruction systems

M. Gelman
1967 Proceedings of the April 18-20, 1967, spring joint computer conference on - AFIPS '67 (Spring)  
doi:10.1145/1465482.1465545 dblp:conf/afips/Gelman67 fatcat:xbx5inx7fzec7kovd73unirfou