Vijaya Karthiyayini Thangavelu. (2007). Relationship between achievement motivation and academic achievement among form four students.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Vijaya Karthiyayini Thangavelu. Relationship Between Achievement Motivation and Academic Achievement Among Form Four Students. 2007.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Vijaya Karthiyayini Thangavelu. Relationship Between Achievement Motivation and Academic Achievement Among Form Four Students. 2007.
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