Design and construction of a low cost air purifier for killing harmful airborne microorganisms using a combination of a strong multi-directional electric-field and an ultra violet... by D.N.P. Ruwan Jayakantha, H.M.N. Bandara, Nadeesha M. Gunawardana, R.P.V. Jayantha Rajapakse, Dulari S. Thilakarathne, Elisabetta Comini, Nanda Gunawardhana, S.M.M.L. Karunarathne

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