APA (7 वां संस्करण) प्रशस्ति पत्र

Kirpal Singh, P. K. (2000). Vocabulary development in form 5 ESL classes: Investigating teachers' beliefs and practices / Parminder Kaur d/o B.pal Singh. Kir.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Kirpal Singh, Parminder Kaur. Vocabulary Development in Form 5 ESL Classes: Investigating Teachers' Beliefs and Practices / Parminder Kaur D/o B.pal Singh. Kir. 2000.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Kirpal Singh, Parminder Kaur. Vocabulary Development in Form 5 ESL Classes: Investigating Teachers' Beliefs and Practices / Parminder Kaur D/o B.pal Singh. Kir. 2000.

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