Salihah, Afifah, Muhamad Rizal, and Tetty Herawaty. 2022. “CHALLENGES AND SOLUTIONS FACED BY FITNESS CENTERS IN DEALING THE VUCA ERA”. International Journal of Economics, Business and Accounting Research (IJEBAR) 6 (3):2315-24. https://doi.org/10.29040/ijebar.v6i3.5849.