D. Orjuela, D.A. Munar, J.K. Solano, A.P. Becerra, Evaluation of the Mechanical and Morphological Properties of a Rice Husk Mixture with Recovered Polypropylene and High-density Polyethylene, Using Sulfur-silane as the Coupling Agent, Chemical Engineering Transactions. 87 (2021) 559-564. doi:10.3303/CET2187094.