Leo, E., Ronald, R., Egghe, L. and Rousseau, R. (2017) “A basic indicator for relative contributions and a remarkable difference between a ratio of averages and an average of ratios”, Malaysian Journal of Library and Information Science, 19(1). Available at: http://mjlis.um.edu.my/index.php/MJLIS/article/view/1802 (Accessed: 23 June 2024).