the sayings of the Nong Prapatson prosper (2545 ) said that the number of factors of the study factors of his father, and his mother's number of years of education, a factor that supports both direct and indirect, such as the instructionsas well as the taught, etc.
total income of the family is a factor that is the most important one because there is a cost for a high-school tutoring Format developed by the Service Provider, and for the payment of an installment of a monthly payment monthly payment