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Dyfyniad Arddull ChicagoDhrymes, Phoebus J. Mathematics for Econometrics. Second edition. New York: Springer-Verlag, 1984.
Dyfyniad MLADhrymes, Phoebus J. Mathematics for Econometrics. Second edition. Springer-Verlag, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.