| 000 | 00556nam a22001457a 4500 | ||
|---|---|---|---|
| 008 | 230403b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a061.001.53 _bN9 |
||
| 245 |
_aResearch records of the national centre for research _c/ National Centre for Research Documentation & Information Centre, Khartoum 1999 |
||
| 260 |
_aKhartoum: _bNational Centre fore Research Documentation & Information Centre, _c1999 |
||
| 300 | _a298p. | ||
| 650 | _aTechnology | ||
| 653 | _aScience | ||
| 942 |
_2udc _cREP |
||
| 999 |
_c17969 _d17969 |
||