Usha Thangamani. (2020). Effectiveness of using scratch@ in enhancing word problem solving achievement in basic arithmetic among year two pupils.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Usha Thangamani. Effectiveness of Using Scratch@ in Enhancing Word Problem Solving Achievement in Basic Arithmetic Among Year Two Pupils. 2020.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Usha Thangamani. Effectiveness of Using Scratch@ in Enhancing Word Problem Solving Achievement in Basic Arithmetic Among Year Two Pupils. 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.