// <I>Conference<D> proceedings 14. International Balkan and near eastern congress, Series on ''Economics, business and management'', Plovdiv, Bulgaria 2020, p. 197-203.
(2020)
G. Georgiev
Каталог "Библиографии" | Статии от книги - библиография
// <I>[Eight]<D> 8ht International Symposium Continuum Models and Discrete Systems CMDS8, Varna, June 1995: Abstr.[ на докл.].- [Sofia : World Science], 1996, p. 615-622.
(1996)
// <I>TechSys 2020<D> : International sci. conf. on ''Engineering, technologies and systems 2020'', Plovdiv, 14-16 may 2020 : IOP Conf. ser. Materials science and engineering, 878(1), 2020, p. 10-15, DOI: 10.1088/1757-899X/878/1/012047.
for promoting the ''Application of mathematics in technical and natural sciences'', Albena, Bulgaria, 24-29 june 2020 : AIP Conference, 2302, 2020, № 060018, DOI: 10.1063/5.0033630.
E. Veleva; I. R. Georgiev; I. Zheleva;
M. Filipova и др.
Каталог "Библиографии" | Статии от книги - библиография
// <I>Proceedings<D> of the 26th international conference Information technology interfaces ITI 2004, Cavtat, Croatia, 2004. - Cavtat, 2004, p. 537-542.
D. Radev; S. Radeva
Каталог "Библиографии" | Статии от книги - библиография
// <I>Proceedings<D> of the international conference on Computer system and technologies (e-Learning) CompSysTech' 04, Ruse, Bulgaria, 17-18 june, 2004. - Sofia : Bulg. union of automation and Iiformatics, 2004, p. IIIA.16-1-16-6.