| 000 | 00316nam a22001097a 4500 | ||
|---|---|---|---|
| 999 |
_c15232 _d15232 |
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| 008 | 200306b ||||| |||| 00| 0 eng d | ||
| 245 | _aElectronic device analyze soil nitrogen. | ||
| 260 |
_aPhilippines; _bManila Bulletin, _c©2019. |
||
| 300 |
_apage B-5; _c29.5cm. |
||
| 650 |
_aTechnology. _942025 |
||
| 942 |
_2ddc _cPER |
||