WINDA ROSITA DEWI; SYLVIA BALFAS. STRATEGI MARKETING GRAND PURI SARON BOUTIQUE HOTEL YOGYAKARTA DALAM MEMPERTAHANKAN HUNIAN KAMAR DI MASA PANDEMI COVID-19. JURNAL NUSANTARA, [S. l.], v. 5, n. 2, p. 41–54, 2022. DOI: 10.63986/nsn.v5i2.31. Disponível em: https://jurnal.akparda.ac.id/index.php/nusantara/article/view/31. Acesso em: 28 oct. 2025.