73171991
May 26, 1978
Feb 12, 1980
INSTRUCTIONAL MANUALS OF COMPUTER PROGRAMMING AND COMPUTER TERMINAL OPERATING TECHNIQUES
Paper Goods and Printed MatterCOMPUTER PROGRAMMING TRAINING SERVICES AND COMPUTER TERMINAL OPERATION TRAINING SERVICES
Education and EntertainmentCOMPUTER PROGRAMMING SERVICES, COMPUTER TIME SHARING SERVICES AND RENDERING ADVICE AND CONSULTATION SERVICES IN THE FIELDS OF COMPUTER PROGRAMMING AND COMPUTER TIME SHARING
Computer and Scientific