Rayyan Darwisy

Pencemaran air Rayyan Darwisy -- Johor Bahru Pustaka Ewan 2012

64ms. il. wrn. 27cm.

ISBN:  9789673770236 (set) -- ISBN:  9789673770250

Bibliografi: ms. 64 

1. Water/xPollution  2. Drinking water/xContamination  3. Sewage disposal in rivers, lakes, etc. 

NAT 363.7 RAY