(3ERGMI GdJQOO aj EHGMI GdJYOO JYOO GdRhLGJ heG Mhdg (B/ s - (3CHh OjI, EHQGgje YjSi s ((3YeGf (B: s (3GHQGgje YjSi GHh OjI(B. s, 2011)
Keywords: (3Gdabg GdGSdGej(B. s; (3GdRhGL(B. s; (3JYOO GdRhLGJ(B. s