Rojas Kovach, Axa. «Energy Efficiency Influence on Building Value According to Present Cost Value Method». Rev. Téc. Fac. Ing. Univ. Zulia 29, no. 1 (1). Accedido junio 16, 2025. https://mail.produccioncientificaluz.org/index.php/tecnica/article/view/5909.