Pramono C, Akiriningsih T, Gunawan A. Pengaruh Strategi Marketing Mix 4P Terhadap Tingkat Penjualan Kamar di Hotel Grand Keisha by Horison Yogyakarta. Jurnal Pariwisata Indonesia [Internet]. 2019 Jul. 1 [cited 2024 Dec. 18];15(1):73-8. Available from: http://jurnal.stpsahidsurakarta.ac.id/index.php/JPI/article/view/148