(3YdGeGJ ai GdWQjb L(B. 7s (3GdYdGeI (B(22) (3cf QGVjG QVi Gddg Yfc GdbSe GdGhds - (3GdeWhY, fSjHI YHO GdYRjR GdYdis ((3GdchjJs [(3O(B.(3f(B]s, 2001)
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Keywords: (3GdJQHjI GdGSdGejIs; (3GdKbGaI GdGSdGejIs; (3GdhYX hGdGQTGOs