[word=","] [lemma=report] [lemma=","] [tag=NN] [lemma=□]
[word=","] [lemma=report] [lemma=","] [tag=NN] [lemma=document]
[word=","] [lemma=report] [lemma=","] [tag=NN] [lemma=","]
Includes research briefings , reports , government documents , journal articles , and websites . It indexes journals , reports , government documents , directories , books , statistical yearbooks , and conference proceedings .