Tso, T. C., Chiang, F. K., Lu, H. C., & Sun, C. S. (2008). A Quantitative Study on Attitudes of Web-Based Mathematic Competition in Different Learning Stages students in Taiwan. International Journal of Emerging Technologies in Learning (iJET), 4(2), pp. 61–65. https://doi.org/10.3991/ijet.v4i2.697