pid type title authors mentors source_title published_date url doi isbn issn eissn ffos:6523 "conference paper" "AGE DIFFERENCES IN THE RELATIONSHIP BETWEEN MEDIA USE AND ATTITUDES ABOUT VACCINATION" "Pavić, Željko; Đukić, Marina; Šuljok, Adrijana" ipu:17 "conference paper" "Valpovačka zbirka Rudolfa i Julije Normann-Ehrenfels" "Najcer Sabljak, Jasminka"