Heavy metal contamination assessment and modeling of fate and transport of mercury in Bued river od Orozco, Christian R.

Kinetic modeling of the fixed bed column adsoption of Pb(II), CU(II) and Ni(II) from ternary metal ion solution using chitosan coated bentonite od Bermillo, Hanna Lee P.

Removal of copper ions from aqueous solution using adlai shell (Coix lacryma-jobi L.) adsorbents od Flores, Edgar D.

Adsorption of ammonium-nitrogen from aqueous solution using chitosan-coated bentonite beads od Jurado, Climaco A.Jr

Alternative water sources and wastewater management od Boulware, E. W. Bob

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Alternative water sources and wastewater management od Boulware, E. W. Bob

Adapting ecological sanitation in the Bohol province, Philippines od Pagsuyoin, Sheree Ann Tiu

Adapting ecological sanitation in the Bohol province, Philippines od Pagsuyoin, Sheree Ann Tiu

Ecological sanitation Uno Winblad ... [et al.].

An alternative design for the existing and proposed residential on-site sewage disposal treatment od Ramos, Crisanto delos Reyes