Biswas, D., & Languages, B. I. o. (2016). Impact of classroom interaction on english language learning and teaching in secondary level of Bangladesh. BRAC University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Biswas, Debasish, و BRAC Institutes of Languages. Impact of Classroom Interaction on English Language Learning and Teaching in Secondary Level of Bangladesh. BRAC University, 2016.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Biswas, Debasish, و BRAC Institutes of Languages. Impact of Classroom Interaction on English Language Learning and Teaching in Secondary Level of Bangladesh. BRAC University, 2016.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.