Dwi Poetranto, I. W., and L. Zuraida. “STRATEGI PENGEMBANGAN ESPACE SPA BALI DALAM MENGHADAPI PERSAINGAN GLOBAL”. Jurnal Ilmiah Hospitality Management, Vol. 9, no. 1, Dec. 2018, pp. 17-28, doi:10.22334/jihm.v9i1.141.