Salim, M., S. S. Sairdama, E. A. Mokodompit, B. S. Aji, and W. M. K. F. W. Khairuldin. “Sustainable Marketing Strategies and Challenges in Tourism Business”. International Journal of Health Sciences, vol. 6, no. S3, May 2022, pp. 6446-50, doi:10.53730/ijhs.v6nS3.7447.