(3GdeQCI GdadSWjfjI hGdWad GdadSWjfi ai ehGLgI GdYRhI GdUgjhjfI (B/ s - (3YHdI GdOLGfis ([S.N] : (3OGQ GdeSJbHd GdYQHi , s, 1992)
Keywords: (3adSWjfs; (3GdGMJdGd GdUgjhfis; (3GdeQCI ai GdSjGSIs; (3GdeQCI ai adSWjfs