Abstract
(1987). -. Journal of Economic Research (Tahghighat- E- Eghtesadi), 31(39), -.
. "-", Journal of Economic Research (Tahghighat- E- Eghtesadi), 31, 39, 1987, -.
(1987). '-', Journal of Economic Research (Tahghighat- E- Eghtesadi), 31(39), pp. -.
, "-," Journal of Economic Research (Tahghighat- E- Eghtesadi), 31 39 (1987): -,
-. Journal of Economic Research (Tahghighat- E- Eghtesadi), 1987; 31(39): -.
', './data/jte/coversheet/cover_en.jpg'))