Roselia Lasmauli Tambunan, M. et al. 2018. Analysis of Combination of Kohonen Algorithm and Resilient Backpropagation in Weighting Process. International Journal of Engineering & Technology. 7, 3.5 (Jul. 2018), 105–108. DOI:https://doi.org/10.14419/ijet.v7i3.5.21662.