SINGH, S. (1980). Econometrics and mathematical economics. S. Chand.
Tohutoru Kātū Chicago (17th ed.)SINGH, S.P. Econometrics and Mathematical Economics. New Delhi: S. Chand, 1980.
Tohutoro MLA (9th ed.)SINGH, S.P. Econometrics and Mathematical Economics. S. Chand, 1980.
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