RITONJA, Jožef. Automation With Programmable Logic Controllers: Textbook. [s.l.] : Univerzitetna založba Univerze v Mariboru,2026. DOI: 10.18690/um.feri.6.2026. Disponível em: https://press.um.si/index.php/ump/catalog/book/1133. Acesso em: 5 jul. 2026.