(3YdGbI Gdbdb HGdJQJjH GdPgfi (B: (3HMK JLQjHi (B/ s - (3OMGe GdcjGds ([S.N] : (3GdeDSSI GdLGeYjI ddOQGSGJ hGdfTQ hGdJhRjY , s, 1990)
Keywords: (3Yde GdfaSs; (3Gdbdbs