martha, U. M., Dodi Vionanda, Dony Permana, and Zilrahmi. “Comparison of Quadratic Discrimination Analysis With Robust Quadratic Discrimination”. UNP Journal of Statistics and Data Science, vol. 2, no. 4, Nov. 2024, pp. 469-74, doi:10.24036/ujsds/vol2-iss4/315.