pid type title authors mentors source_title published_date url doi isbn issn eissn mef:6561 "journal article" "Changes in sexually transmitted infections-related sexual risk-taking among young Croatian adults: a 2005-2021 three-wave population-based study" "Landripet, Ivan; Božičević, Ivana; Baćak, Valerio; Štulhofer, Aleksandar" ffzg:6019 "journal article" "Bauk internacionalizacije u hrvatskoj sociologiji" "Baćak, Valerio"