Ekpo GUA, Azunwena S. Sports contingent markets in Port Harcourt metropolis: challenges and prospects with instances from China. FNAS-JMSE [Internet]. 2023 Oct. 31 [cited 2024 Sep. 8];4(2):151-5. Available from: https://fnasjournals.com/index.php/FNAS-JMSE/article/view/168