at the end of the second semester,

at the end of the second semester, academic year 2014,นักเรียนจำนวน 12 คน ชั้นมัธยมศึกษาปีที่ 3 โดยใช้วิธีการเลือกแบบเจาะจงผลการเรียนอยู่ในระดับดี และ before of the first semester, academic year 2015 from the same group of students, who have never had an argumentation instruction, of a demonstration school in Bangkok, Thailand

ผลลัพธ์ (อังกฤษ) 1:

At the end of the second semester, academic year, the students of 3rd year high school class by using the method of selecting a specific grade level, well before the first semester, and academic year of 2015 from the same group of students, who have never had a demonstration of an argumentation, instruction school in Bangkok, Thailand.

ผลลัพธ์ (อังกฤษ) 2:

at the end of the second semester, academic year 2014, students of 12 secondary grade 3 by means of choosing a specific grade level and before of the first semester, academic year 2015 from the same group of. students, who have never had an argumentation instruction, of a demonstration school in Bangkok, Thailand.

ผลลัพธ์ (อังกฤษ) 3:

At the end of the second semester academic 2014, year, 12 students, grade 3 by means of random effects at a good level. And the before of the, first semester academic year 2015 from the same group, of students who have never had an argumentation. Instruction of a, demonstration school, in Bangkok Thailand.