Telephone directory /

समान संसाधन

• DELHI TELEPHONE directory /
  प्रकाशित: (1966)
• Telephone directory 2011
  प्रकाशित: (2010)
• Telephone directory 2019
  प्रकाशित: (2019)
• ICAR Telephone Directory 2018
  प्रकाशित: (2018)
• Introduction to Telephones and Telephone System
  प्रकाशित: (1986)