Nor Zalina HarunOmar Abdulwahhab Khalaf‎, Nor Haslina Ja`afar,. “The Significance of Safety and Security Factors for Urban Commercial Streets in a User Friendly Environment”. Design Engineering (July 7, 2021): 2112- 2127. Accessed May 2, 2024. http://www.thedesignengineering.com/index.php/DE/article/view/2535.