Related URL: http: //whqlibdoc.who.int/publications/2009/9789241547796_eng.pdf.
資料詳細
内容細目：
IntroductionImportance of adequate water supply, sanitation and hygiene in schoolsImplementation...
要約等：
Adequate provision of water supply, sanitation, hygiene and waste management in schools has a number of positive effects and contributes to a reduced ...