| 000 | 00656npc a22001697a 4500 | ||
|---|---|---|---|
| 999 |
_c8108 _d8108 |
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| 003 | KMLcat | ||
| 008 | 190418b xxu||||| |||| 00| 0 eng d | ||
| 041 | _aEng | ||
| 100 |
_aPerera, P. A. _estu _931125 |
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| 700 |
_aFonseka, R. _esupv _931126 |
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| 245 | _aThe proportion of noise-induced hearing loss (NIHL) and the use of personal hearing protection devices(PHPDs) among liquefied petroleum gas (LPG) cylinder infusion factory workers in Biyagama zone, Sri Lanka | ||
| 260 |
_aKealniya _bUniversity of Kelaniya _c2014 _g2014 |
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| 300 |
_avii, 63 p. _c30 cm. |
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| 500 | _aResearch Project | ||
| 655 |
_aStudent Research Reports _931451 |
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| 942 |
_2ddc _cRPR |
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