NIKOLIC, Aleksandar B; ĐORĐEVIĆ, Vladimir. Importance of Organized Energy Efficiency Introduction and Improvement in PE EPS. Proceedings, Electrical engineering institute "Nikola Tesla", [S. l.], v. 25, n. 25, p. 65–78, 2015. DOI: 10.5937/zeint25-9320. Dostupno na: https://asistent.ceon.rs/index.php/zeint/article/view/9320. Pristupljeno: 12 jul. 2026.