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00 - Prolegomena. Fundamentals of knowledge and culture. Propaedeutics (2)
342 - Public law. Constitutional law. Conflict of laws (2)
377 - Specialized instruction. Vocational, technical, professional training. Vocational colleges, institutes. Polytechnics (2)
Contractes administratius (2)
Drets dels treballadors (2)
331 - Labour. Employment. Work. Labour economics. Organization of labour. (1)
65 - Communication and transport industries. Accountancy. Business management. Public relations (1)
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