(3ehJ GdfHj (B/ s - (3GdeMGej, eMeO cGeds; (3fhjgV, YGOds ((3HjQhJ (B:s (3efThQGJ GdecJH GdYGdej,s, 1988)
Keywords: (3bUU GdbQBfs; (3GdCfHjGAs; (3haGI GdfHjs; (3fGTFhf UYGQ (B(10-14) (3SfIs