. (1994). The Stationarity f Estimated Beta of Individual Securities and Portfolios. (e31572). Financial Research Journal, 1(3), e31572
. "The Stationarity f Estimated Beta of Individual Securities and Portfolios" .e31572 , Financial Research Journal, 1, 3, 1994, e31572.
. (1994). 'The Stationarity f Estimated Beta of Individual Securities and Portfolios', Financial Research Journal, 1(3), e31572.
, "The Stationarity f Estimated Beta of Individual Securities and Portfolios," Financial Research Journal, 1 3 (1994): e31572,
. The Stationarity f Estimated Beta of Individual Securities and Portfolios. FRJ. 1994;1(3):e31572 (In Persian).