(3GdMbhb GdGfSGfjI(B: (3aYd GdJRGe (B/ s - (3edMe bQHGfs ([S.N] : (3GdeDSSI GdMOjKI ddcJGH , s, 1990)
Keywords: (3GdMbhb GdSjGSjIs; (3Mbhb GdGfSGfs; (3LGf LGc QhShs