Sultana, S. N., & Akhter, M. (2015). Backwash effect of SSC and HSC Examinations: Focus on listening and speaking skills. BRAC University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSultana, Sayeda Niger, और Mahmuda Akhter. Backwash Effect of SSC and HSC Examinations: Focus on Listening and Speaking Skills. BRAC University, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSultana, Sayeda Niger, और Mahmuda Akhter. Backwash Effect of SSC and HSC Examinations: Focus on Listening and Speaking Skills. BRAC University, 2015.
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