(3GdGJMGO GdShajJi hcGeH OjajO (B/ s - (3QTjO GdNGdOis ([S.N] : (3eDSSI GdOQGSGJ GdadSWjfjI , s, 1980)
Keywords: (3GdGJMGO GdShajJis; (3GdfRGY GdYQHi GdGSQGFjdis; (3adSWjfs; (3GJaGbjGJ cGeH OjajOs