(3GdMGSH GdGdi hGdJWHjbGJ GdGMUGFjI HdZI GdHjSc (B/ s - (3eMeO YKeGf GdHTjQs; (3cQe Gddg Ydi YHOGdQMefs ([S.N] : (3eYgO GdGOGQI GdYGeI , s, 1990)
Keywords: (3GdMGSHGJ GdGdcJQhfjIs; (3GdGMUGA GdQjGVis; (3HGSjcs; (3GdHQGeLs