Singh, R. (2016). Indian Economy for civil Services Examination (8th.). McGraw Hill Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSingh, Ramesh. Indian Economy for Civil Services Examination. 8th. New Delhi: McGraw Hill Education, 2016.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSingh, Ramesh. Indian Economy for Civil Services Examination. 8th. McGraw Hill Education, 2016.
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