Mwenda, Lilian Karimi Mugambi, and Anita Wanjugu Wachira. “Role of Vocational Education on Managerial Career Development in Three to Five Star Hotels in Kenya”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 15, no. 1, Apr. 2014, pp. 238-4, https://www.gssrr.org/JournalOfBasicAndApplied/article/view/2067.