Caroline Maliluan, Fhilomena, Suharto Suharto, and Sunyoto Sunyoto. 2014. “Strategi Sales And Marketing Department Dalam Mengelola Corporate Rate Dan Key Account Di Hotel Grand Melia Jakarta”. Jurnal Pariwisata Indonesia 9 (2):82-100. http://jurnal.stpsahidsurakarta.ac.id/index.php/JPI/article/view/183.