VASILJEVIĆ, Dragana; MITRAŠEVIĆ, Maja; NIKOLIĆ, Nataša; SAVIĆ, Radenko; SEKULIĆ, Ljubodrag. EFFECTIVE WORKING TIME IN PHYSICAL EDUCATION CLASSES IN THE FOURTH GRADE OF PRIMARY SCHOOLS. Nova škola, [S. l.], v. 8, n. 2, p. 156–168, 2013. DOI: 10.7251/NSK1312011V. Disponível em: https://novaskola.pfb.ues.rs.ba/index.php/ns/article/view/381. Acesso em: 23 apr. 2026.