Rico Nur Ilham, Frengki Putra Ramansyah, Amru Usman, Rusydi Abubakar, & Mohd Heikal. (2026). ANALYSIS OPPORTUNITY AND CHALLENGE INVESTMENT IN THE TOURISM SECTOR IN INDONESIA. International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET), 5(9), 6164–6168. https://doi.org/10.5281/zenodo.22031167