Kokkranikal, Jithendran, Antony, Jiju, Kosgi, Hasib and Losekoot, Erwin (2013) Barriers and challenges in the application of Six Sigma in the hospitality industry: Some observations and findings. International Journal of Productivity and Perfomance Management, 6 (3). pp. 317-322. ISSN 1741-0401 (doi:10.1108/17410401311309203)