(3GdLhGfH GdJTQjYjI hGdeeGQSGJ GdeMGSHjI ddVQGFH GdeHGTQI Ydi GQHGM efTGJ GdGYeGd GdVQHjI Ydi GQHGM TQcGJ GdGSJKeGQ W(B1 / s - (3Gejf GdSjO GMeO dWais ((3GdbGgQI (B: s (3OGQ GdfgVI GdYQHjI , s, 1992)
Keywords: (3GdVQGFHs; (3GdeMGSHI GdVQjHjIs; (3GdVQGFH GdeHGTQIs; (3GdVQGFH (B- (3eMGSHIs