Khan, K. A. (2019). A survey on English linguistic ability of the government primary school children prior to introduction of Interactive Radio Instruction (IRI) Programme. BRAC Research and Evaluation Division (RED).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Khan, Kaisar A. A Survey on English Linguistic Ability of the Government Primary School Children Prior to Introduction of Interactive Radio Instruction (IRI) Programme. BRAC Research and Evaluation Division (RED), 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Khan, Kaisar A. A Survey on English Linguistic Ability of the Government Primary School Children Prior to Introduction of Interactive Radio Instruction (IRI) Programme. BRAC Research and Evaluation Division (RED), 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.