Chukwuebuka Martinjoe U-Dominic, and Harold Chukwuemeka Godwin. “A Review of Six Sigma and the Shared Relationship With Knowledge Management (KM) Discipline”. Archives of Current Research International, vol. 13, no. 2, Mar. 2018, pp. 1–15, doi:10.9734/ACRI/2018/38262.