(3JWhQ GdGhVGY GdGbJUGOjI ai YUQ GdQSGdI hGdQGTOjf (B/ s - (3fLeGf jGSjfs ([S.N] : (3OGQ GdTFhf GdKbGajI , s, 1991)
Keywords: (3GdSjQI GdfHhjIs; (3THg GdLRjQI GdYQHjIs; (3GdGbJUGO GdGSdGeis; (3GdJGQjN GdGSdGeis; (3GdJGQjNs; (3GdNdaGA GdQGTOhfs