Formulation, Characterization, Study of Swelling Kinetics and Network Parameters of Poly (MA-Co-VA-Co-AA) Terpolymeric Hydrogels With Various Concentrations of Acrylic Acid. J. Res. Updates Polym. Sci. 2013, 2 (3), 142-152. https://doi.org/10.6000/1929-5995.2013.02.03.1.