(3GdhYi GdPGJi (B/ s - (3HQgGf Zdjhfs ([S.N] : (3GdeDSSI GdYQHjI ddOQGSGJ hGdfTQ , s, 1992)
Keywords: (3GdYGde GdYQHis; (3GdGMhGd GdGLJeGYjIs; (3GdGSdGe hGdGUdGM GdGLJeGYis; (3GdKbGaIs