ArchiveVolume 2, Issue 6, December 2014
Gyedu Francis
Pages: 170-179     Published Online: Nov. 29, 2014
DOI: 10.11648/j.sjedu.20140206.11        Views 2447      Downloads 237
Juan Francisco Aguirre Chavez, Francisco Muñoz Beltran, Alejandro Chavez Guerrero, Maria del Carmen Zueck Enriquez, Jesus Jasso Reyes
Pages: 180-184     Published Online: Jan. 4, 2015
DOI: 10.11648/j.sjedu.20140206.12        Views 2321      Downloads 213
Luiz Gonzaga Xavier de Barros
Pages: 185-187     Published Online: Jan. 6, 2015
DOI: 10.11648/j.sjedu.20140206.13        Views 2178      Downloads 139
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