Adriansyah, Dziki, et al. “Usulan Perbaikan Layanan Dengan Metode Dineserv Dan Improvement Gap Analyisis (LGA) Di Cafe ‘Coffee Break Sangrai’ Bireuen”. Innovative: Journal Of Social Science Research, vol. 4, no. 6, Dec. 2024, pp. 4928-46, doi:10.31004/innovative.v4i6.17078.