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00779nam a2200289 i 4500 |
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| 040 |
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|a Universidad Nacional Agraria
|b spa
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| 907 |
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|a P10
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| 911 |
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|a M
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| 900 |
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|a Kevin Sánchez
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| 978 |
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|a KJSA
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| 979 |
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|a 20/03/2023
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| 991 |
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|a DOC
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| 991 |
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|a MARZO2023
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| 991 |
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|a KJSA200323
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| 035 |
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|a 068716
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| 041 |
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|a spa
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| 092 |
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|a T P10 M516
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| 100 |
1 |
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|a Mejía Artiga, Cristóbal.
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| 245 |
1 |
0 |
|a Estimación del valor de la calidad del agua en la cuenca del río Acelhuate de el Salvador.
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| 260 |
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|a Turriaba (Costa Rica) :
|b ,
|c 2000.
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| 264 |
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|a Turriaba (Costa Rica) :
|b ,
|c 2000.
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| 300 |
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|a 114 p. ¿ 24 p. sn.
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| 500 |
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|a Ilus.; 75 ref.,
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| 520 |
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|a (Es)
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| 942 |
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|c BK
|2 agris
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| 952 |
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|a 01
|b 01
|8 CG
|c CG
|y BK
|p D0115/2023
|o T P10 M516
|