SIVAKUMAR, V and SWAMINATHAN, G and Rao, P G and RAMASAMI, T (2009) Sono-leather technology with ultrasound: A boon for unit operations in leather processing - review of our research work at Central Leather Research Institute (CLRI), India. Ultrasonics Sonochemistry, 16 (1). pp. 116-119.

SIVAKUMAR, V and CHANDRASEKARAN, F and SWAMINATHAN, G and Rao, P G (2009) Towards cleaner degreasing method in industries: ultrasound-assisted aqueous degreasing process in leather making. Journal of Cleaner Production, 17 (1). pp. 101-104.

SIVAKUMAR, V and POORNA, P R and RAO, P G and RAMABRAHMAM, B V and SWAMINATHAN, G Power ultrasound in fatliquor preparation based on vegetable oil for leather application. Journal of Cleaner Production, 16 (4). pp. 549-553.