PUTRI, Ni Putu Widya Maheswari Karantika; UTAMA, I Putu; DARMAWIJAYA, I Gede. The implementation of six sigma DMAIC in evaluation of direct booking improvement strategy at Alpha hotel management. Jurnal Pariwisata Pesona, [S. l.], v. 10, n. 1, p. 62–71, 2025. DOI: 10.26905/jpp.v10i1.13968. Disponível em: https://jurnal.unmer.ac.id/index.php/jpp/article/view/13968. Acesso em: 24 jun. 2026.