FENDI HIDAYAT; YOGA FITRIANA; SULTAN SEPTIAN. PENINGKATAN STRATEGI PEMASARAN CERIA TOUR AND TRAVEL BATAM. Jurnal Gembira: Pengabdian Kepada Masyarakat, [S. l.], v. 1, n. 05, p. 1222–1229, 2023. Disponível em: https://gembirapkm.my.id/index.php/jurnal/article/view/225. Acesso em: 4 oct. 2025.