FRATROVIĆ, Tomislav. University Textbook: Mathematics 2 – Selected Chapters for the Application in Traffic Engineering. Promet - Traffic&Transportation, [S. l.], v. 27, n. 2, p. 194, 2015. DOI: 10.7307/ptt.v27i2.1822. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2528. Acesso em: 26 aug. 2025.