[History] Semana 1 Unidad No. I Generalidades
- (current) Sept. 8, 2012, 1:07 p.m. César Castells del Rio
- Sept. 8, 2012, 1:07 p.m. César Castells del Rio
- Sept. 8, 2012, 12:46 p.m. César Castells del Rio
- Aug. 25, 2012, 7:53 p.m. César Castells del Rio
- Aug. 25, 2012, 7:52 p.m. César Castells del Rio
- Aug. 25, 2012, 12:52 a.m. César Castells del Rio
- Aug. 25, 2012, 12:49 a.m. César Castells del Rio
- Aug. 24, 2012, 8:33 p.m. César Castells del Rio
- Aug. 24, 2012, 8:32 p.m. César Castells del Rio
- Aug. 23, 2012, 6:29 p.m. César Castells del Rio
- Aug. 23, 2012, 6:27 p.m. César Castells del Rio
- Aug. 23, 2012, 6:24 p.m. César Castells del Rio
- Aug. 23, 2012, 1:27 p.m. César Castells del Rio
- Aug. 23, 2012, 1:25 p.m. César Castells del Rio
- Aug. 23, 2012, 1:22 p.m. César Castells del Rio
- Aug. 23, 2012, 1:03 p.m. César Castells del Rio