Transitioning from e-Learning to m-Learning: Present Issues and Future Challenges. - Tsvetozar Georgiev; Evgeniya Georgieva; Goran Trajkovski (SNPD, 2006)

Methodology for mobile devices characteristics recognition. - Evgeniya Georgieva; Tsvetozar Georgiev (CompSysTech, 2007)

Mobile application for determination of users' text entry speed. - Tsvetozar Georgiev; Evgeniya Georgieva (CompSysTech, 2008)

Investigation of the text entry speed and accuracy in mobile devices. - Tsvetozar Georgiev; Evgeniya Georgieva (CompSysTech, 2009)

Module for investigation of the user's text reading speed on mobile devices. - Tsvetozar Georgiev; Evgeniya Georgieva (CompSysTech, 2010)

Evaluation of mobile learning system. - Evgeniya Georgieva; Angel Smrikarov; Tsvetozar Georgiev (WCIT, 2011)