Valverde-Alulema, Francisco, Universidad Central del Ecuador, Ecuador
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Revista Publicando Vol. 4 No. 11(1) (2017): Vol 4. No 11 (1) 2017 Cultural and Social Studies
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Revista Publicando Vol. 4 No. 11(1) (2017): Vol 4. No 11 (1) 2017 Cultural and Social Studies
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Revista Publicando Vol. 4 No. 11(1) (2017): Vol 4. No 11 (1) 2017 Cultural and Social Studies