Published Removal of cationic dye (basic red 18) from aqueous solution using natural turkish clay by Fil B.A., Karcioglu Karakas Z., Boncukcuiglu R. and Yilmaz A.E. 944_published.pdf
Published Using wood and bone ash to remove metal ions from solutions by Chojnacka K. and Michalak I. 205-217_582_Chojnacka.pdf