APPIAH, Gideon Kweku; XIAO, Lin Lan. Risk and return analysis of listed financial companies in Ghana (a study of Cal Bank, Ecobank GH Ltd, Ghana Commercial Bank ( GCB) and Standard Chartered Bank (SCB)). Open Science Journal, [S. l.], v. 5, n. 1, 2020. DOI: 10.23954/osj.v5i1.2167. Disponível em: https://osjournal.org/ojs/index.php/OSJ/article/view/2167. Acesso em: 19 sep. 2025.