M. Husin, A. Arsad, S. Suradi, O. Alothman, N. Ngadi, and M. Kamaruddin, “Fourier Transforms Infrared Spectroscopy and X-ray Diffraction Investigation of Recycled Polypropylene/Polyaniline Blends”, Chemical Engineering Transactions, vol. 56, pp. 1015-1020, Mar. 2017.