Zohra, Rubab, Muhammad Aslam Malana, and Zafar Iqbal. 2013. “Formulation, Characterization, Study of Swelling Kinetics and Network Parameters of Poly (MA-Co-VA-Co-AA) Terpolymeric Hydrogels With Various Concentrations of Acrylic Acid”. Journal of Research Updates in Polymer Science 2 (3):142-52. https://doi.org/10.6000/1929-5995.2013.02.03.1.