Mezhdunarodna konventsiia dalekosuobshteniiata

Published 1948

Angliĭsko-bŭlgarski rechnik na sŭkrashtenii︠a︡ta v oblastta na kompi︠u︡tŭrnata tekhnika i komunikat︠s︡iite /

by Todorov, Georgi
Published 1998

Bŭlgarskii︠a︡t Severozapad : transport, komunikat︠s︡ii i khora : (ot drevnostta do nashi dni) /

Published 2020

Beteanski dni i noshti : 100 godini Bŭlgarska telegrafna agent͡sii͡a (BTA) (1898-1998 g.) /

by Vedrodenski, Georgi
Published 2001

Informat͡sionen bi͡uletin SEM

Published 2002

Transport i komunikat︠s︡ii na Balkanite (1800 - 1914) /

by Kostov, Aleksandŭr (Aleksandŭr Grigorov)
Published 2017

125 godini Bŭlgarska telegrafna agent︠s︡ii︠a︡ : lichni svidetelstva /

Published 2023

Komunikat͡sii, medii, internet : mnogoezichen tŭlkoven rechnik : bŭlgarski, angliĭski, nemski, frenski, italianski, ruski dictionary /

by Angelov, Petŭr D (Petŭr Dimitrov)
Published 2001

Komunikat︠s︡ii, medii, internet : mnogoezichen tŭlkoven rechnik : bŭlgarski, angliǐski, nemski, frenski, italianski, ruski /

by Angelov, Petŭr D (Petŭr Dimitrov)
Published 2001