Specializations:

• 2008 - Certificate in distance learning course on the subject "Severe Virus and Virus-like Diseases: a Potential Threat to the Mediterranean Citrus Industry" managed by Mediterranean Agronomic Institute in Bari.
• 2007 - Certificate of Attendance in "Molecular Diversity Analysis", organized jointly by the Croatian Biometrical Society and the Faculty of Agriculture, University of Zagreb.
• 2004 - Detection and Elimination of Citrus Pathogens, International Centre for Advanced Mediterranean Agronomic Studies, Valenzano, Italy