Study of telephone traffic / [mikrofilem]

Eitemau Tebyg

• Study of telephone traffic /
  gan: 331327 Abdul Majid Abdullah
  Cyhoeddwyd: (1978)
• Remote telephone controller part (III) {mikrofilem}
  gan: 458320 Zulkiflee Abd. Ghani
  Cyhoeddwyd: (1991)
• Microprocessor-based telephone home controller / [mikrofilem]
  gan: 412074 Lee, Natalie Kit Ying
• Remote telephone controller (RTC)/
  gan: 325790 Abdul Halim Said
• Microprocessor-based telephone home controller /
  gan: 412074 Lee, Natalie Kit Ying, et al.
  Cyhoeddwyd: (1989)