Budiman, D. N., F. . Sangari, and Y. S. . Lewan. “The Role of Waiters in Improving Service Quality at Seafood Restaurant, NDC Resort and Spa Manado”. Jurnal Studi Perhotelan Dan Pariwisata, vol. 4, no. 1, Sept. 2025, pp. 1-11, doi:10.35912/jspp.v4i1.6895.