Maz-Machado, A., Madrid, M. J., Jiménez-Fanjul, N. and León-Mantero, C. (2017) “Empirical Examination of Lotka’s Law for Information Science and Library Science”, Pakistan Journal of Information Management and Libraries, 19, pp. 37–51. Available at: https://pjiml.pu.edu.pk/jo/index.php/pjiml/article/view/65 (Accessed: 9 January 2025).