By Michel William   Ruiz Michael J   in Physics Education

ISSN:0031-9120|49|2|149-150

IOP Publishing‎(2014)‎

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By Nazar Michel William   Pordeus Isabela Almeida   Werneck Marcos Azeredo Furquim   in Revista Panamericana de Salud Pública/Pan American Journal of Public Health

ISSN:1020-4989|17|4|237-242

Pan American Health Organization (PAHO)‎(2005)‎

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