Natania Maria Caron Pinangkaan, Pearl Loesye Wenas, and Altje Ellen Tuwaidan, “ANALISIS PERANAN GUEST RELATION OFFICER (GRO) DALAM MENINGKATKAN PELAYANAN PRIMA PADA TAMU VIP DI NOVOTEL MANADO GOLF RESORT & CONVENTION CENTER”, Panorama, vol. 1, no. 1, pp. 1–10, Dec. 2023.