A. Abdul-Majeed, B., K. Hussain, H., & A. Kafel Al-Sultanee, N. (2012). Effect of Annealing on the Crystallization of Poly Vinyl Chloride for Drug Delivery System. Iraqi Journal of Chemical and Petroleum Engineering, 13(2), 29-36. https://doi.org/10.31699/IJCPE.2012.2.3