005350000a22001690004500001000700000100004100007101000800048200012900056210000900185461004200194606002800236606002800264606001000292700002200302701002200324701001900346339990  a20220318              pory50          aeng  aSo you want to give testimony? Tips on becoming a drug expertfWayne K.Jeffery, co-aut.Stephen G.Price, co-aut.Darrel Gyorfi  d2005  tGazette. - Vol.67,nº3 (2005),p.32-33  aTESTEMUNHO DE POLÍCIA  aFUNÇÃO DE POLÍCIA  aDROGA  aJeffery, Wayne K.  aPrice, Stephen G.  aGyorfi, Darrel