Gutiérrez, Edixon, Yaxcelys Caldera, Franz Valbuena, y Samuel Silva. «Post-Treatment of Municipal Wastewater for Feeding to Boilers Using Ionic Exchange». Rev. Téc. Fac. Ing. Univ. Zulia 28, no. 3 (1). Accedido julio 21, 2025. https://mail.produccioncientificaluz.org/index.php/tecnica/article/view/5893.