Dragan, Zivanic, Ilankovic Nikola, Zelic Atila, Katona Mirko, Jakimovska Kristina, and Vasileva Anita. “640.DESIGN OF ESCALATORS AND FOLLOWING SAFETY MEASURES”. MECHANICAL ENGINEERING – SCIENTIFIC JOURNAL 39, no. 1–2 (December 18, 2021): 11–16. Accessed February 1, 2026. https://mesj.ukim.edu.mk/journals/article/view/21.