Wichai (2531 (1988)) said that the concept of customer satisfaction. Related to the needs of human beings. It is a satisfaction to occur only when the needs of human beings have been responding. Which human beings no matter where there is fundamental demand is different.
F (2531) noted that the concept of satisfaction. Involved with human needs, namely satisfaction will happen when human needs have been met. In which human beings shall enjoy the basic needs are no different.
Vijaya (2531) said that the concept of satisfaction is related to human needs, that is, the satisfaction will occur when the needs of human beings get a response.