Information technologies at the primary school. - Elena Koleva (CompSysTech, 2000)

Neural network based approach for quality improvement of orbital arc welding joints. - Elena Koleva; Nikolinka Christova; Kamen Velev (IEEE Conf. of Intelligent Systems, 2010)

Use of a Secondary Current Sensor in Plasma during Electron-Beam Welding with Focus Scanning for Process Control. - Dmitriy Trushnikov; Elena Krotova; Elena Koleva (J. Sensors, 2016)