KLEČINA, M. Tvornica strojeva i livnica čelika "Jelšingrad" Banja Luka. Advanced Technologies and Materials, [S. l.], v. 2, p. 133–138, 1976. Disponível em: https://ijiemjournal.uns.ac.rs/index.php/atm/article/view/JTP.1976.1.11. Acesso em: 26 jul. 2025.