Ahmadi, D., Santoso, F., Ainorrofiqie, A., & Buhairi, B. (2026). The Effect Of The Development Of Facilities And Services On The Level Of Customer Visits At Hotel De Baghraf Sumenep. RIGGS: Journal of Artificial Intelligence and Digital Business, 4(4), 13981–13990. https://doi.org/10.31004/riggs.v4i4.5814