AGUDELO AGUIRRE, Alberto Antonio; AGUIRRE ROJAS MEDINA, Nestor  and  ALFREDO ROJAS MEDINA, Ricardo. Artificial intelligence applied to investment in variable income through the MACD (moving average convergence/ divergence) indicator. Journal of Economics, Finance and Administrative Science [online]. 2021, vol.26, n.52, pp.268-281.  Epub Dec 19, 2021. ISSN 2077-1886.