For citations:
Toktamysov S.Zh. Construction of Telegraph and Postal Lines in Transcaspian Region and Adjacent Areas of Persia at Turn of Nineteenth to Twentieth Centuries. Nauchnyi dialog. 2026;15(2):516-533. (In Russ.) https://doi.org/10.24224/2227-1295-2026-15-2-516-533
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