Okongwu, U., D. Huaccho Huatuco, Jairo Rafael Mo, L., Morimoto, R., & Lauras, M. (2013). The maturity of supply chain sustainability disclosure from a continuous improvement perspective. International Journal of Productivity and Performance Management, 62(8), 827-855. https://doi.org/10.1108/IJPPM-02-2013-0032