Jasiman Ahmad Pengitaran air / Jasiman Ahmad - Petaling Jaya : Eddiplex Sdn. Bhd., 1996 - 36 p. : ill. ; 30 cm. - Siri pencemaran alam Bil. 8 . ISBN: 9838802824 RM11.10 Subjects--Topical Terms: Water--PollutionAir--PollutionWater quality management--Malaysia