rdi.nrru.ac.th · 4. Students subscribing for the test in 2553 and 2556 were 9,750 in total...
4
rdi.nrru.ac.th · 4. Students subscribing for the test in 2553 and 2556 were 9,750 in total including £ 52:3 Grade 6 students and 3,247 Grade 9 students. The results showed that: