Technological Evolution and Safety Enhancement of Automatic Couplers in Modern Railway Systems: A Systematic Review. - Valentino, Jean Mario; Syaifudin, Achmad; Depari, Yohanes Pringeten Dilianto Sembiring; Subekti; Pramono, Agus Sigit; Shalahuddin, Lukman; Agustin, Helena Carolina Kis; Uda, Muhammad Nur Afnan; Hashim, Uda; Khan, Sohaib Zia (Journal of Engineering (2314-4912), 2026)