Browsing by Author Parrales Escalante, Simón Bolívar
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| Issue Date | Title | Author(s) |
|---|---|---|
| 2009 | Centro de certificaciones internacionales c.c.i. | Bascompte Llerena, Christian Arturo; Guamán Aguilar, Stalin Oswaldo; Parrales Escalante, Simón Bolívar |