(3ehShYI GdjghO h GdjghOjI h GdUgjhfjI (B: s (3fehPL JaSjQj LOjO (B/ s - (3GdeSjQj, YHO GdhgGH eMeOs ((3GdbGgQI (B:s (3OGQ GdTQhb,s, 1999)
Keywords: (3GdjghOs; (3GdUgjhfjIs; (3ESQGFjds; (3GdEMJdGd GdESQGFjdjs; (3GdfRGY GdYQHj GdESQGFjdjs