By Almeida D. F.   in International Journal of Mathematical Education in Science and Technology

ISSN:1464-5211|30|2|159-166

Taylor & Francis Ltd‎(1999)‎

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By Almeida D. F.   in International Journal of Mathematical Education in Science and Technology

ISSN:1464-5211|30|4|565-571

Taylor & Francis Ltd‎(1999)‎

Access to resources Favorite 3.2329752

By Alves A.M.B.   Lasaro M.O.   Almeida D.F.   Ferreira L.C.S.   in Vaccine

ISSN:0264-410X|16|1|9-15

Elsevier‎(1998)‎

Access to resources Favorite 1.6164876