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17 - Moral philosophy. Ethics. Practical philosophy (2)
331 - Labour. Employment. Work. Labour economics. Organization of labour. (2)
371 - Education and teaching organization and management (2)
616.89 - Psychiatry. Pathological psychiatry. Psychopathology (2)
Adolescència (2)
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Barcelona (2)
Centres socio-educatius (2)
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Covid-19 (2)