Ciencia, tecnología y futuro; camino nacional al siglo XXI
- Author
- Rogelio Frigerio
- Publisher
- Sielp
- Language
- Spanish
- Edition
- 2da
- Year
- 1990
- Page
- 174
- ISBN
- 9509785008
- File Type
- pdf
- File Size
- 7.3 MiB
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