(3GdLGShSjI hQLGd GdGYeGd (B/ s - (3eMSf GMeO GdNVjQis ([S.N] : (3OGQ GdYbGO ddfTQ , s, 1992)
Keywords: (3GdGbJUGO GdOhdis; (3GdLQGFe GdGbJUGOjIs; (3QLGd GdGYeGds