(3JQGK GdGSdGe ai Gdafhf GdaQYjI hGdJUhjQ hGdYeGQI (B/s - (3HQjLR , cQjSJi GQfhdO (B.s; (3Rcj eMeO MSfs ((3OeTb (B:s (3OGQ GdcJGH GdYQHj ,s, 1984)
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Keywords: (3Gdaf GdGSdGejs; (3GdYeGQI GdGSGejIs; (3GdJUhjQ GdGSdGejs; (3Gdafhf GdRNQajIs