Jooste, Johannes Lodewyk, and Louis Jona Botha. “IMPROVEMENTS TOWARDS THE IDENTIFICATION AND QUANTIFICATION OF RELATIONSHIPS BETWEEN KEY PERFORMANCE INDICATORS”. The South African Journal of Industrial Engineering 29, no. 2 (August 31, 2018): 92–101. Accessed April 27, 2024. http://sajie.journals.ac.za/pub/article/view/1872.