RINU VASANTH, C.; VIGNESH, P.; KUAMRI, R. S. Enhancing the Quality of Blended Learning through Six Sigma Methodologies. International Journal of Social Sciences and Management, [S. l.], v. 2, n. 1, p. 36–39, 2015. DOI: 10.3126/ijssm.v2i1.11520. Disponível em: https://nepjol.info/index.php/IJSSM/article/view/11520. Acesso em: 24 oct. 2021.