Kamal, Shahid, Clive J. Lawrence, Vivian F. Trewin, and Aisha Sekandar. “Mixture Distributions and the Construction of Reference Ranges for Biochemical Parameters”. Pakistan Journal of Statistics and Operation Research 3, no. 1 (January 1, 2007): 19-30. Accessed October 22, 2025. https://pjsor.com/pjsor/article/view/72.