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| LEADER |
01521nam a2200253 a 4500 |
| 008 |
050201s1990||||es a |||||||||||||spa|| |
| 041 |
0 |
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|a spa
|
| 094 |
0 |
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|a 668.411
|b G633e
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| 100 |
1 |
|
|a Gómez Valenzuela, Pablo Francisco
|
| 245 |
1 |
0 |
|a Estudio de factibilidad técnica y económica para el reciclo de plástico en el área metropolitana de San Salvador /
|c Pablo Francisco Gómez Valenzuela, Melba Aracely Hernández Parada.
|
| 260 |
|
|
|a San Salvador :
|b Universidad de El Salvador,
|c 1990
|
| 300 |
|
|
|a 174 h. ;
|b il.
|
| 502 |
|
|
|a Tesis (Ing. Química) -- Universidad de El Salvador
|
| 650 |
|
|
|a PLASTICO
|
| 700 |
1 |
|
|a Hernández Parada, Melba Aracely
|
| 991 |
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| 992 |
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|a 07/06/2012
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| 942 |
|
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| 999 |
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|c 113195
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| 952 |
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| 952 |
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