Ollor, Helen Yorowa, and Kelechi Nwankwo. “Influence of E-Marketing on the Performance of Travel Agencies in Port Harcourt, Rivers State”. African Journal of Management and Business Research 8, no. 1 (December 31, 2022): 10–27. Accessed October 27, 2026. https://publications.afropolitanjournals.com/index.php/ajmbr/article/view/293.