Arcana, I. M., Hasan, M., Anggraini, S. D., Febrianti, A. A. and Ardana, A. (2013) “Structure and Properties of Polymers Prepared by Polymerization of 2,2-Dimethyl-1,3-Propandiol and ε-Caprolactone Monomer”, Journal of Mathematical and Fundamental Sciences, 41(2), pp. 78-87. doi: 10.5614/itbj.sci.2009.41.2.2.