| DROI0226-1 | | Banking law | | Holder |
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| DROI0932-1 | | Securities and Debt Enforcement | | Holder |
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| DROI1104-2 | | Belgian Judicial System (Partim) (Belgian Judicial System) | | Holder |
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| DROI1104-3 | | Belgian Judicial System (Partim) | | Holder |
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| DROI2329-1 | | Theory and practice of the notarial legal law | | Holder |
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| DROI2349-1 | | Obligations of the tax collector and the taxpayer : Criminal law aspects and principles of the collection | | Holder |
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