Mario Kostelac@mariokostelacFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencemariokostelac has not updated employment details yet.EducationFER, ZagrebLinksLinkedinhttp://www.linkedin.com/in/mariokostelac/enPortfoliohttp://www.mariokostelac.com/ Skillsmariokostelac has not updated skills details yet.