Operator assistance (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Operator assistance" in English language version.

refsWebsite

Global rank English rank

6^th place

6^th place

2^nd place

2^nd place

low place

low place

6,123^rd place

4,716^th place

1900s.org.uk

"Costs of calls from British public phones, mid-20th century, section Person-to-person calls". The 1900s. Retrieved 10 March 2024.

archive.org

Atkins, J.; Raschke, K. A.; Woody, D. L. (October 1980). "Traffic Service Position System No. 1: Busy Line Verification Feature". Bell System Technical Journal. 59 (8): 1397–1416. doi:10.1002/j.1538-7305.1980.tb03371.x. Retrieved 4 September 2023.

att.com

"Operator and Directory Assistance Is Ending". AT&T. January 10, 2023. Retrieved September 5, 2023.

doi.org

Atkins, J.; Raschke, K. A.; Woody, D. L. (October 1980). "Traffic Service Position System No. 1: Busy Line Verification Feature". Bell System Technical Journal. 59 (8): 1397–1416. doi:10.1002/j.1538-7305.1980.tb03371.x. Retrieved 4 September 2023.