17 1 10 Program-program efektif untuk mempertahankan pelanggan anda Richard F. Gerson Primary Author Devi Fitria Translator mixed material 9786021900925 Jakarta Lutan Edukasi 2011 WhatsApp_Image_2023-02-01_at_13.32.05.jpeg.jpeg Rahmawati Primary Author mixed material Samarinda Mulawarman University Press 2016 Manajemen_Pemasaran.jpg.jpg Lawrence L. Steinmetz Primary Author mixed material 9789795210819 New Jersey Jhon Wiley 2011 Inovasi merancang, melakukan Implementasi, serta Evaluasi Service Excellence Anasta S. Ginting Primary Author mixed material 9786020020143 Jakarta Elek Media Komputindo 2012 Strategi membidik pasar ibu Hermawan Kartajaya Primary Author mixed material 9792214445 Jakarta Gramedia Pustaka Utama 2005 Widaningsih Primary Author mixed material 9789790759886 Jakarta Erlangga 2008 Warren J. Keegan Primary Author Mark C. Green Additional Author mixed material 9789791310889 USA Pearson Education 2011 Warren J. Keegan Primary Author mixed material 9789795210889 Jakarta Prenhallindo 1997 Warren J. Keegan Primary Author mixed material 9789791210869 Jakarta Prenhallindo 1996 Philip Kotler Primary Author mixed material 9789798760112 Jakarta Prenhallindo 1997