(3eUGOQ GdJTQjY GdGSdGei(B: (3hehGba GdYdeGA efgG (B/ s - (3TYHGf eMeO GSeGYjds ([S.N] : (3OGQ GdeQjN ddfTQ , s, 1985)
Keywords: (3GdTQjYI GdGSdGejIs; (3GdSfI GdfHhjIs; (3GdbQGfs