Tamayo, E., Rosales, C., Guzmán, A. and Pazmiño, P. 2016. Effect of using hydrogen in the power and performance of an internal combustion engine. Enfoque UTE. 7, 4 (Dec. 2016), pp. 43 - 54. DOI:https://doi.org/10.29019/enfoqueute.v7n4.113.