(3GdJQLeI ai GdhWf GdYQHi fMh GfTGA eDSSI YQHjI ddJQLeI (B: s (3HMhK hefGbTGJ GdfOhI GdacQjI GdJi fXegG eQcR OQGSGJ GdhMOI GdYQHjI (B/ s - (3MSf GdTQjas; (3GSGeI GdNhdis ((3GdbGgQI (B: s (3eQcR OQGSGJ GdhMOI GdYQHjI , s, 2000)
Keywords: (3GdeJQLeGJs; (3GddZGJs; (3GdJQLeIs; (3GdJYQjH hGdJQLeIs; (3GdJQLeI GdGdjIs