LOJANICA, Nemanja. PRECISION IN EVALUATION OF SIMPLE AND STRATIFIED RANDOM SAMPLING IN THE SCIENTIFIC JOURNALS MARKET. International Journal of Economic Practice and Policy, [S. l.], n. 1, p. 1–12, 2017. Dostupno na: https://asistent.ceon.rs/index.php/skolbiz/article/view/12820. Pristupljeno: 12 jul. 2026.