(3GdCdSfjI GdJhdjOjI hGdJMhjdjI hbhGYO GddZI GdYQHjI(B((3GdLedI GdHSjWI(B) / s - (3ejTGd RcQjGs ([S.N] : (3GdeDSSI GdLGeYjI ddOQGSGJ hGdfTQ hGdJhRjY , s, 1989)
Keywords: (3bhGYO GddZIs; (3GddZI GdYQHjIs