1Revista electronica equipo 5 abel, isaac, alejandro, ismael
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Investigación de campo<br />
Marco teórico<br />
Parte l proyecto de inv.<br />
1 X<br />
1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4<br />
2 X x<br />
3 x X x<br />
4 X<br />
5 x X<br />
6 X x<br />
7 X<br />
8 X x<br />
9 x<br />
10 x X<br />
11 X X<br />
12 x x x x<br />
13 x x x<br />
14 X X<br />
15 X X<br />
16 x x<br />
17 x X<br />
18 x x X<br />
19 x X<br />
20 x X<br />
1.-planteamiento del problema