APA (7 वां संस्करण) प्रशस्ति पत्र

Vellakkal, S., Mehdi, A., & Juyal, S. (2009). Towards a sustainable public-private partnership under Central Government Health Scheme and Ex-servicemen Contributory Health Scheme. Confederation of Indian Industry.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Vellakkal, Sukumar, Ali Mehdi, और Shikha Juyal. Towards a Sustainable Public-private Partnership Under Central Government Health Scheme and Ex-servicemen Contributory Health Scheme. Confederation of Indian Industry, 2009.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Vellakkal, Sukumar, et al. Towards a Sustainable Public-private Partnership Under Central Government Health Scheme and Ex-servicemen Contributory Health Scheme. Confederation of Indian Industry, 2009.

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