(3MGTjI ebOeI GdJaSjQ (B/s - (3Hf bGSe, YHO GdQMef Hf eMeO,s 1319-1392 (3gLQjG(B.s ([(3O(B. (3e(B. :s (3O(B. (3f(B.](3,s, 1990)
Keywords: (3GdbQBfs -- (3JaSjQs; (3GdbQBfs -- (3CUhd GdJaSjQs