MUHAMMAD INAM UL HAQ*; NAEEM UL HASSAN; MUHAMMAD SHAFIQUE. DESIGN AND IMPLEMENTATION OF A PLC-BASED MULTI-PHASE TRAFFIC SIGNAL CONTROL SYSTEM USING LADDER LOGIC & STL. Spectrum of Engineering Sciences, [S. l.], v. 4, n. 1, p. 391–403, 2026. Disponível em: https://thesesjournal.com/index.php/1/article/view/1895. Acesso em: 7 mar. 2026.