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| LEADER |
00639nas a2200169 a 4500 |
| 008 |
230908u1970 gw ||||| |||| 00| 0 eng d |
| 022 |
0 |
0 |
|a 0341615x
|
| 084 |
0 |
0 |
|a D020
|
| 245 |
0 |
0 |
|a Economics /
|
| 260 |
0 |
0 |
|a Germany :
|b Institute for Scientific Co-Coperation ;
|c 1970 -
|
| 300 |
0 |
0 |
|a v.
|
| 650 |
0 |
4 |
|a ECONOMÍA
|9 706
|
| 650 |
0 |
4 |
|a EXTENSIÓN RURAL
|9 7661
|
| 710 |
0 |
0 |
|a Institute for Scientific Co-Operation
|9 7086
|
| 866 |
0 |
0 |
|a 1970 v.1; 1970 v.2; 1971 v.3; 1971 v.4; 1972 v.5; 1972 v.6; 1973 v.7; 1973 v.8; 1974 v.9; 1974 v.10; 1975 v.12; 1976 v.13; 1976 v.14; 1977 v.15; 1977 v.16; 1978 v.17; 1978 v.18; 1979 v.19
|
| 942 |
0 |
0 |
|2 ddc
|c REVISTAS
|
| 999 |
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|c 4287
|d 4287
|