Myung-ho Kim, Min Soo Kang, S. S. Y. S. K. . “A Study on GBW-KNN Using Statistical Testing”. Turkish Journal of Computer and Mathematics Education (TURCOMAT), vol. 12, no. 5, Apr. 2021, pp. 271-7, https://turcomat.org/index.php/turkbilmat/article/view/896.