TUTAH TONYE (PH.D), C.; BEATRICE CHINYERE (PH.D), A.-E. . IMPACT OF COVID-19 ON SERVICE FIRMS IN PORT HARCOURT. BW Academic Journal, [S. l.], 2025. Disponível em: https://www.bwjournal.org/index.php/bsjournal/article/view/2836. Acesso em: 19 jun. 2026.