Lins, A.F. 2017. Collaborative research work impacts on the education and professional development of mathematics teachers from the OBEDUC project core UEPB. Formação Docente – Revista Brasileira de Pesquisa sobre Formação de Professores. 9, 16 (Jun. 2017), 77–94. DOI:https://doi.org/10.31639/rbpfp.v9i16.163.