3.1 population.Student school South Bolivian Riga aux The sample group. Students in grade 5 school South Bolivian Riga aux T. a. Muang, Ratchaburi, page of the student's high school years 5-13, a total of 36 people.3.2 tools3.2.1 query.Satisfaction survey per table rule change put a black sock socks white student school South Bolivian Riga aux. Divided into 1 sections as follows:Part 1 explores satisfaction rule change put a black sock socks white.
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