ADSORPTION OF Cd(II), Pb(II), AND Cr(III) ONTO POLY-5-ALLYL-25,26,27,28-TETRAHYDROXYCALIX[4]ARENE - , Desi Suci Handayani , Jumina , Dwi Siswanta , Mustofa , Keisuke ([Yogyakarta] : Chemistry Departement Universitas Gadjah Mada, 2010)