KAMALDEEN IBRAHEEM NAGERI. RISK-RETURN RELATIONSHIP IN THE NIGERIAN STOCK MARKET DURING PANDEMIC COVID-19: SECTORAL PANEL GARCH APPROACH. Copernican Journal of Finance & Accounting [online]. 27 luty 2022, T. 10, nr 4, s. 97–116. [udostępniono 19.7.2024]. DOI 10.12775/CJFA.2021.017.