APA (7 वां संस्करण) प्रशस्ति पत्र

Sultana, N. N., & Ahmed, S. (2016). Grammar teaching techniques at primary level in urban and rural areas of Bangladesh. BRAC University.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Sultana, Nur Nigar, और Sabreena Ahmed. Grammar Teaching Techniques at Primary Level in Urban and Rural Areas of Bangladesh. BRAC University, 2016.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Sultana, Nur Nigar, और Sabreena Ahmed. Grammar Teaching Techniques at Primary Level in Urban and Rural Areas of Bangladesh. BRAC University, 2016.

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