Pachhade,, K and Sandhya, S and Swaminathan, K (2009) Ozonation of reactive dye, Procion red MX-5B catalyzed by metal ions. Journal of Hazardous Materials, 167. pp. 313-318.

Sandhya, S and Swaminathan, K (2006) Kinetic analysis of treatment of textile wastewater in hybrid column upflow anaerobic fixed bed reactor. Chemical Engineering Journal, 122. pp. 87-92.

Sandhya, S and Padmavathy, S and Swaminathan, K and Subrahmanyam, Y V and Kaul, S N (2005) Microaerophilic–aerobic sequential batch reactor for treatment of azo dyes containing simulated wastewater. Process Biochemistry, 40. pp. 885-890.

Sophia, Carmalin A and Swaminathan, K (2004) Stabilisation of Heavy Metals - Contaminated Sludge Using Cement-Lime System. Journal of Indian Association for Environmental Management, 31. pp. 81-86. ISSN 0970-8480

Sophia, Carmalin A and Swaminathan, K and Sandhya, S (2007) Microbially-influenced degradation of solidified/stabilized metal waste. Bioresource Technology, 98 (13). pp. 2562-2567. ISSN 0960-8524

Sophia, Carmalin A and Swaminathan, K (2005) Assessment of the mechanical stability and chemical leachability of immobilized electroplating waste. Chemosphere, 58 (1). pp. 75-82. ISSN 0045-6535

Ayyappana, R and Sophia, Carmalin A and Swaminathan, K and Sandhya, S (2005) Removal of Pb(II) from aqueous solution using carbon derived from agricultural wastes. Process Biochemistry, 40 (3-4). pp. 1293-1299. ISSN 1359-5113

Sophia, Carmalin A and Sandhya, S and Swaminathan, K (2010) Solidification and stabilization of chromium laden wastes in cementitious binders. Current Science, 99 (3). pp. 365-369. ISSN 0011-3891

Sophia, Carmalin A and Swaminathan, K and Sandhya, S and Pachhade,, K and Subrahmanyam, Y V (2003) Decolorization and degradation of H-acid and other dyes using ferrous–hydrogen peroxide system. Chemosphere, 50 (5). pp. 619-623. ISSN 0045-6535