Dimitrov, G. Influence of the Covid-19 Pandemic on the Development of the Railway Transport in Bulgaria,
, 2022, 281-293.
Dimitrov, G. .
Influence of the Covid-19 Pandemic on the Development of the Railway Transport in Bulgaria.
София: , 2022, 281-293.
Dimitrov, G. (2022)
Influence of the Covid-19 Pandemic on the Development of the Railway Transport in Bulgaria,
София: , 281-293
Dimitrov, G.
(2022).
Influence of the Covid-19 Pandemic on the Development of the Railway Transport in Bulgaria. Научни трудове на УНСС, LXII (5), 281-293.