Galya Shivacheva
Antoaneta Dimitrova
Miroslav Vasilev
Krum Videnov
Stanka Baycheva
Mariya Georgieva-Nikolova
Petya Atanasova
Julieta Ilieva
International Conference on Technics, Technologies and Education
Galya Shivacheva
Antoaneta Dimitrova
Miroslav Vasilev
Krum Videnov
Stanka Baycheva
Mariya Georgieva-Nikolova
Petya Atanasova
Julieta Ilieva