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Trolleybuses in Sofia (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Trolleybuses in Sofia" in English language version.

refsWebsite
Global rank English rank
1sofiaplan.bg
low place
low place
1sofiatraffic.bg
low place
low place

sofiaplan.bg

  • Sofiaplan (2020). "Sofiaplan Transport Infographic" (PDF). Retrieved 22 March 2021. (in Bulgarian)

sofiatraffic.bg