Vladimirov, L., Todorova, M. Treats to the invironment by cross-border dangerous activities - ;ethodological amd cognitive aspects defining and analyzing ecological threats. Шумен: 2012 с. 139-146,.
Vladimirov, L., Todorova, M. Treats to the invironment by cross-border dangerous activities - ;ethodological amd cognitive aspects defining and analyzing ecological threats. Шумен: 2012 с. 139-146,.
Vladimirov, L., Todorova, M. (2012) Treats to the invironment by cross-border dangerous activities - ;ethodological amd cognitive aspects defining and analyzing ecological threats, Шумен: с. 139-146,.
Vladimirov, L., & Todorova, M. (2012). Treats to the invironment by cross-border dangerous activities - ;ethodological amd cognitive aspects defining and analyzing ecological threats. Шумен: с. 139-146.
Vladimirov L, Todorova M. Treats to the invironment by cross-border dangerous activities - ;ethodological amd cognitive aspects defining and analyzing ecological threats. Шумен: 2012. p. с. 139-146.