Muradov Sirojiddin Husan o`g`li, Xakimov Xurshid Hamidulla o‘g‘li, and Siddiqova Madinabonu Asatilla qizi. “NEW INNOVATIVE ENGINEERING SOLUTIONS TO THE PROBLEMS OF SIGNALIZATION AND SECURITY SYSTEMS”. European Journal of Life Safety and Stability (2660-9630), vol. 2, May 2021, pp. 28-30, http://www.ejlss.indexedresearch.org/index.php/ejlss/article/view/13.