The Impact of Marketing Mix on the Consumer Purchase Decision in the Surabaya - Indonesia Hotel ResidenceQausar Eganael Putra, Zeplin Jiwa Husada Tarigan, Rismawati Br Sitepu and Sanju Kumar SinghSHS Web Conf., 76 (2020) 01038DOI: https://doi.org/10.1051/shsconf/20207601038