(3cJGH LQT GdMdbI GdfbOjI aj egQLGf LQT GdJGSY YTQ (B: (3aOhi WhbGf Hjf bjO GdeQCI GdTQbjI h aVGA GdfU (B/ s - (3MOjOj, UHMjs ((3HjQhJ (B:s (3GdeDSSI GdYQHjI ddOQGSGJ,s, 2001)
Keywords: (3GdTYQ GdYQHjs; (3GdTYQGA GdYQHs; (3GdJQGLes