Tekendo Djoukoue, G., Olabhele Esangbedo, M., & Bai, S. (2024). Ishikawa Diagram, Gray Numbers and Pareto Principle for the Analysis of the Causes of WEEE Production in Cameroon: Case of SMEs Implementing ISO 14001:2015. Journal of Management Science & Engineering Research, 7(1), 22–42. https://doi.org/10.30564/jmser.v7i1.6030