(3Odjd GdbUI GdeUQjI GdbUjQI UMa heLehYGJ (B/ s - (3SjO MGeO GdfSGLs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1990)
Keywords: (3GdGOH GdYQHis; (3GdbUU GdYQHjIs; (3GdGOHs; (3GdbUI GdbUjQIs