Gujarati, D., & Gunasekar, S. (2011). Basic Econometrics (4th ed.). Mcgraw.
Tohutoru Kātū Chicago (17th ed.)Gujarati, Damodar, me Sangeetha Gunasekar. Basic Econometrics. 4th ed. New Delhi: Mcgraw, 2011.
Tohutoro MLA (9th ed.)Gujarati, Damodar, me Sangeetha Gunasekar. Basic Econometrics. 4th ed. Mcgraw, 2011.
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