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| 005 | 20250407095246.0 | ||
| 008 | 140731n 000 0 eng d | ||
| 245 | 0 | 0 | _aScience and technology 1. |
| 260 |
_aDepartment of Education, Culture and Sports : _bFocus Philippine Publishing Company, Incorporated, _cc1989. |
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| 300 |
_aviii, 200 pages : _billustrations ; _c25 cm. |
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| 999 |
_c8915 _d8915 |
||