000 | 007340a00a22003130004500 | ||
---|---|---|---|
010 | _aB | ||
024 | _aM | ||
027 | _qP | ||
210 | _aRao, A.N. | ||
245 | _aAgriculture and biology teaching | ||
100 | _aRao, A.N. | ||
100 | _aPritchard, A.J. | ||
260 |
_aUNESCO _bParis |
||
260 | _c1984 | ||
300 | _a64,tables,maps | ||
490 | _aScience and Technology Education Document Series 11 | ||
306 | _aBiology teaching | ||
306 | _aAgriculture teaching | ||
306 | _aAgroecosystems | ||
306 | _aFood productions | ||
306 | _aBiotechnology | ||
016 | _a631 RAO | ||
015 | _aP-0485 | ||
999 |
_c4089 _d4089 |
||
650 | _aAgriculture | ||
041 | _aeng | ||
080 | _a631 |