Ayala-Marín, Carlos-Andrés, and Christiann-Camilo García-Yela. “Methodology to Design of Synthetic Sonic Log (SSL), Using Artificial Neural Networks. Colorado Field Application”. CT&F - Ciencia, Tecnología Y Futuro, vol. 4, no. 2, Apr. 2020, pp. 21-31, doi:10.29047/01225383.242.