VI International Scientific and Practical Conference. November 10 - November 11, 2017, Rezekne Academy of Technologies, Rezekne, Latvia
15th International Scientific and Practical Conference. June 27-28, 2024, ''Vasil Levski'' National Military University, Veliko Tarnovo, Bulgaria
9th International Scientific and Practical Conference. June 16, 2022, Rezekne Academy of Technologies, Rezekne, Latvia
18th International Scientific Conference. May 24-25, 2024, Rezekne Academy of Technologies, Rezekne, Latvia
