. Rahmatullah, R.W. Putri, S. Haryati, H. Waristian, A. Saputra, R. Kurniawan, Manufacture of Bioplastic Composite Method of Blending Synthetic Polymer (PP) with Natural Polymers from Kapok Fiber (Ceiba Pentandra), Chemical Engineering Transactions. 97 (2022) 241-246. doi:10.3303/CET2297041.