Ronca, Gladys, Leni Márquez, y Carmen Albano. 1. «Study of the Heterogenous Crystallization of Polypropylene With Various Coupling Agents». Rev. Téc. Fac. Ing. Univ. Zulia 22 (2). https://mail.produccioncientificaluz.org/index.php/tecnica/article/view/5624.