Yousaf, S., Ibrar, H., Yousaf, S. and Rana, T. A. (2025) “Effects of Layered Architecture & UI Design upon Maintainability & Usability: An Implementation Case Study of 3D Electronic Communication Surveillance Analytic”, Pakistan Journal of Engineering and Technology, 8(1), pp. 55–63. doi: 10.51846/vol8iss1pp55-63.