Marín-Sánchez, Freddy H., Julián A. Pareja-Vasseur, and Diego Manzur. 2021. “Quadrinomial Trees With Stochastic Volatility to Value Real Options”. Journal of Economics, Finance and Administrative Science 26 (52):282-99. https://revistas.esan.edu.pe/index.php/jefas/article/view/562.