මානව සෞඛ්‍යය සඳහා සනීපාරක්ෂාව(maanawa sauK\yaya sanndhahaa saniipaarakShaawa)

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VIDUS-27(2)-24.pdf (0 B)

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NARESA:Colombo

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Vidurava, 27(2):p.24-27

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http://vidya.nsf.gov.lk:8080/pdfs/VIDUS-27(2)/VIDUS-27(2)-24.pdf
https://viduketha.nsf.gov.lk/handle/123456789/19305

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Vidurva Articles - Sinhala