ECO-FRIENDLY SYNTHESIS OF γ-ALUMINA-SUPPORTED HYDROXYAPATITE NANOCATALYSTS FROM KAOLIN AND EGGSHELL WASTE. - Francis, Stanelybritto Maria Arul; Babu, Sharmil Suganya Rajan; Janardhanan, Amal; Thiruvengadam, Venugopal (Bulletin of the Chemical Society of Ethiopia, 2026)