NURHAYATI, N.; BALFAS, S. STRATEGI MARKETING GRAND PURI SARON BOUTIQUE HOTEL YOGYAKARTA DALAM MEMPERTAHANKAN HUNIAN KAMAR DI MASA PANDEMI COVID 19 . JURNAL NUSANTARA, [S. l.], v. 4, n. 2, p. 44–49, 2021. DOI: 10.63986/nsn.v4i2.36. Disponível em: https://jurnal.akparda.ac.id/index.php/nusantara/article/view/36. Acesso em: 17 jul. 2025.