(3GdMjGRI GdeOfjI(B: (3MeGjJgG GdLfGFjI ai VhA Gdabg hGdbVGA (B/ s - (3YRGdOjf GdOfGUhQis; (3MGeO YcGRs ([S.N] : (3dLfI GdGYdGe hGdOQGSGJ GdeSJbHdjI , s, 1993)
Keywords: (3GdbGfhf GdeOfis; (3GdMjGRIs; (3GdJTQjY GdGSdGeis; (3GdbVGA GdeOfis; (3GdbVGA GdTQYis