<https://pmcn.pa.gov.br/pregao-presencial-n-016-2019/contrato-n-153_2019-2/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://pmcn.pa.gov.br/pregao-presencial-n-016-2019/contrato-n-153_2019-2/>