Šapčanin A, Čakal M, Ramić E, Smajović A, Pehlić E. Heavy metals pollution in children playgrounds - an environmental modelling and statistical analysis. Glas. hem. tehnol. Bosne Herceg. 2016;47:21-26. Accessed August 31, 2026. https://glashem.pmf.unsa.ba/index.php/bctbh/article/view/177