(3ebOeI aj GdGJUGdGJ (B/s - (3HcQj, SYO Ydj GdMGLs; (3GdMjOQ, eMeO YHO GdQMef YHO GdYRjR,s 1365 (3gLQj(B-s ((3GdQjGV (B: s (3LGeYI Gdedc SYhO ,s, 1988)
Keywords: (3GdGJUGdGJ GdSdcjI hGddGSdcjIs; (3gfOSI GdGJUGdGJ s