Berdica, Brilanda, Gëzim Bara, and Sara Bomi. 2026. “Professional Competence of Secondary School Teachers and the Development of Students Practical Skills for PISA Readiness”. International Journal of Innovative Technology and Interdisciplinary Sciences 9 (1):433-62. https://doi.org/10.15157/ijitis.2026.9.1.433-462.