Mwakilema, N. “Factors Influencing Self-Employment Among Vocational and Non-Vocational Graduates in Arusha and Dar Es Salaam Cities, Tanzania”. Journal of Co-Operative and Business Studies (JCBS), vol. 6, no. 2, Sept. 2021, p. 13, doi:10.2023/jcbs.v6i2.33.