004260000a22001450004500003000900000005001700009100001900026245008500045264004900130300000900179490003800188041000800226650002100234650002500255PH-MaWHO20241108112103.0 aPisharoti K.A. aGuide to the integration of health education in environmental health programmes. aGeneva : bWorld Health Organization,c1975. a81p. a(WHO offset publication ; no. 20) aeng aHealth education aEnvironmental health