// <I>TAAC' 2013<D> : International scientific conference of students and young scientists "Theoretical and applied aspects of cybenetics", Kiev, Ukraine, 2013 : Proc. - Kiev : Bukrek, 2013, p. 270-278.
// <I>TechSys 2017<D> : International sci. conf. on ''Engineering, technologies and systems 2017'', Technical university - Sofia, Plovdiv branch, Plovdiv, Bulgaria, 18-20 may 2020 : Proc., 2017, p. 244-247.