(3OQGSGJ aj GdhKjbI GdNVQGA GdcHQi dMbhb GdEfSGf aj YUQ GdLeGgjQs - (3ZSGf QHGMs; (3WdGd SdjeGf (B((3EYOGO(B)s; (3QGeR YeGQs ((3GdeQcR GdYGdej dOQGSGJ hCHMGK GdcJGH GdCNVQs (3djHjGs, 1990)
Keywords: Social Sciences (3GdYdhe GdGLJeGYjIs; General