APA (7 वां संस्करण) प्रशस्ति पत्र

Islam, R., & Lee, D. S. H. (2024). Impact of repeat customers in profitability of service industry: A study on Mental health service. Brac University.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Islam, Rafiul, और Dr. Sang H. Lee. Impact of Repeat Customers in Profitability of Service Industry: A Study on Mental Health Service. Brac University, 2024.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Islam, Rafiul, और Dr. Sang H. Lee. Impact of Repeat Customers in Profitability of Service Industry: A Study on Mental Health Service. Brac University, 2024.

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