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a realização das provas ou testes de inteligência por pessoal especializado, etc.
a good sample design is needed and, there is the additional difficulty of obtaining volunteers for this type of statistical study, the performance of the intelligence test by specialized personnel, etc.
as instituições nacionais ou outros organismos competentes destacarão pessoal especializado para o secretariado do ccah;
specialist staff will be seconded to the scf secretariat from national institutions or other appropriate bodies;