. "Economics of air transport"@en . . "4" . "no data" . . "Presential"@en . "TRUE" . . "Air Transport Control"@en . . . . . . . . . . . . . . . . . . . . . . . "Master in Aeronautical Engineering (in English)"@en . . "https://www.tu-sofia.bg/specialties/preview/751 https://www.tu-sofia.bg/uplanEn/TF/Master/UPLAN_MAG_MAEE_EN_2020.pdf" . "60"^^ . "Presential"@en . "no data"@en . . "1"@en . "FALSE" . . "Master"@en . "Thesis" . "Not informative" . "no data"@en . "Not informative" . "Mandatory" . "no data"@en . "no data" . "FALSE" . "Upstream"@en . . . . . . . . . . . . . . . . . . . . .