Janji, M. S.
Drinking water quality : microbiological and public health aspects. - Bangi : Universiti Utara Malaysia, 1993. - 185m.s., bibliografi. ; cm.
9839647180
Drinking Water Quality.
QR105.D781
Drinking water quality : microbiological and public health aspects. - Bangi : Universiti Utara Malaysia, 1993. - 185m.s., bibliografi. ; cm.
9839647180
Drinking Water Quality.
QR105.D781