Sudarmini, N. M., Kencanawati, A. A. A. M., Sukmawati, N. M. R., Ariningsih, N. P., & Mazher, M. A. (2024). Optimizing purchasing procedures for procurement at serenity spa and salon of Hotel LMB. Journal of Commerce, Management, and Tourism Studies, 3(3), 164–171. https://doi.org/10.58881/jcmts.v3i2.133