Mwakilema, Nicodemus. 2023. “Firms’ Competitive Strategies and Profitability Among Self-Employed Vocational and Non-Vocational Graduates in Arusha and Dar Es Salaam Cities, Tanzania”. East Africa Journal of Social and Applied Sciences (EAJ-SAS) 5 (1). https://doi.org/10.2022/eaj-sas.v5i1.131.