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.

B.  Krishnakumar, Pucci, A., Wadgaonkar, P. P., Kumar, I., Binder, W. H., and Rana, S., ?Vitrimers based on bio-derived chemicals: overview and future prospects?, Chemical Engineering Journal, vol. 433, p. 133261, 2022.