(3Gdafhf GdRNQajI GdjefjI ai GdYUQ GdGSdGei (B/ s - (3QHjY MGeO NdjaIs ([S.N] : (3GdOGQ GdeUQjI GddHfGfjI , s, 1992)
Keywords: (3Gdjefs; (3GdGKGQ GdGSdGejIs; (3Gdafs; (3GdRNQaIs; (3Gdafhf GdTYHjIs; (3Gdaf GdGSdGeis