Today, the major problem faced in the herb coffee industry is the ease of market entry which is characterized by many new players frequently entering the market. The industry is highly competitive and the producers are faced with the dilemma of whether to continue to produce and sell at low profits or compete with the many players in the fierce environment as they seek to identify and determine the causes and factors that will lead to increased customer retention to guarantee profits. The purpose of this research is to study the relationship between marketing mix and customer ...