Zadarko-Domaradzka, Maria, and Edward Tlałka. 2006. “Socio-Economic Influences on Somatic Growthy in Children 7–11 Yr of Age in Podkarpacie and Podbeskidzie Region”. European Journal of Clinical and Experimental Medicine 4 (3):193–198. https://journals.ur.edu.pl/ejcem/article/view/13391.