Holmes, V.-L. ., K. . Spence, J. . Finn, S. M. Ingram, and L. . Horton. “Conquering Worrisome Word Problems – Algebra Success”. International Journal of Learning, Teaching and Educational Research, vol. 16, no. 6, June 2017, pp. 89-100, http://ijlter.net/index.php/ijlter/article/view/812.