MANGAHA, C., J. KALANGI, and L. TAMENGKEL. “ANALISIS STRATEGI PEMASARAN PADA HOTEL GRAN PURI MANADO”. JURNAL ADMINISTRASI PUBLIK, vol. 6, no. 90, June 2020, https://ejournal.unsrat.ac.id/v3/index.php/JAP/article/view/28942.