Chou, Yu - Hsien. “Effects of Personality Traits on Quality of Service of Service Staff in Catering Industry – Aspect of Emotional Labor”. Revista de Cercetare Si Interventie Sociala, vol. 51, Dec. 2015, pp. 216-2, https://www.rcis.ro/journal/article/view/2227-effects-of-personality-traits-on-quality-of-service-of.