Lessons learned from robot-in-class projects using LEGO NXT and some recommendations. - Halis Altun; Özgen Korkmaz; Armagan Ozkaya; Ertugrul Usta (TEEM, 2013)

Designing a Secure Exam Management System (SEMS) for M-Learning Environments. - Mustafa Kaiiali; Armagan Ozkaya; Halis Altun; Hatem Haddad; Marc Alier (IEEE Trans. Learn. Technol., 2016)