S. H.  Sonawane, Chaudhari, P. L., Ghodke, S. A., Parande, M. G., Bhandari, V. M., Mishra, S., and Kulkarni, R. D., ?Ultrasound assisted synthesis of polyacrylic acid-nanoclay nanocomposite and its application in sonosorption studies of malachite green dye?, Ultrasonics Sonochemistry, vol. 16, no. 3, pp. 351-355, 2009.

S.  Anjum, Gurave, P., Badiger, M. V., Tiwari, N., and Gupta, B., ? Design and development of trivalent aluminum ions induced self healing polyacrylic acid novel hydrogels?, POLYMER, vol. 126, pp.  196-205, 2017.