(3GdGYdGf GdYGdei dMbhb GdGfSGf hGMhGd GdhWf GdYQHi (B/ s - (3GdefXeI GdYQHjI dMbhb GdGfSGfs ([S.N] : (3OGQ GdeSJbHd GdYQHi , s, 1989)
Keywords: (3GdMbhb GdSjGSjIs; (3GdhWf GdYQHis; (3Mbhb GdGfSGfs; (3GdbGfhf GdOSJhQis