(3GdhWf GdYQHi hGdeJZjQGJ GdYGdejI (B/ s - (3eYgO GdHMhK hGdOQGSGJ GdYQHjIs ([S.N] : (3eYgO GdHMhK hGdOQGSGJ GdYQHjI , s, 1991)
Keywords: (3GdGJMGO GdShajJis; (3GdfRGY GdYQHi GdGSQGFjdis; (3GdhWf GdYQHis; (3GdHJQhds; (3SjGSIs; (3GdShb GdYGdejIs; (3GdfXGe GdOhdis; (3GdfXGe GdYGdei GdMOjKs