For example, from the test results the project PISA assessment cases in the year 2552, which found that the age group 15 years Thailand children's achievement is lower than the international average in all subjects.
For example, the test case results of the PISA assessment in 2552 which found that children aged 15 years, Thailand's achievement is lower than the international average in all subjects.
For example, from the test results of evaluation of project PISA in 2552 which found that children in age groups 15 years. Lower than the international average achievement of all subjects.