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1) M.R. Pinheiro's greatest references in Math research/refereeing:

2) M.R. Pinheiro's greatest reference in Logic research (4 meetings, <2h):

3) M.R. Pinheiro's greatest reference in general coming from a top governmental employee in Brazil who has observed her professionally and personally:

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4) M.R. Pinheiro's ordinary ref. in Math tuition
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