|
|
|
|
| LEADER |
00717nam a2200181 a 4500 |
| 008 |
050201s1978||||es |||||||||||||||||spa|| |
| 041 |
|
|
|a spa
|
| 094 |
|
|
|a 338.476257
|b P852f
|
| 100 |
|
|
|a Portillo Retana, Ernesto Eduardo
|
| 245 |
|
|
|a Formulación y evaluación de los caminos de penetración
|
| 260 |
|
|
|a San Salvador :
|b Universidad Centroamericana "José Simeón Cañas",
|c 1978
|
| 300 |
|
|
|a 179 h
|
| 502 |
|
|
|a Tesis (Lic. en Economía) -- Universidad Centroamericana "José Simeón Cañas"
|
| 991 |
|
|
|a bc_mercy
|
| 992 |
|
|
|a 11/07/2006
|
| 942 |
|
|
|c BK
|
| 999 |
|
|
|c 43373
|d 43373
|
| 952 |
|
|
|0 0
|1 0
|4 0
|6 338_476257000000000_P852F
|7 0
|8 T
|9 68453
|a 10
|b 10
|c T
|d 2012-08-16
|i 10109134
|o 338.476257 P852f
|p 10109134
|r 2012-08-16
|w 2012-08-16
|y TS
|