(3GdYdGL GdSdhci ddWad(B: (3GSGdjHI hfeGPL ef MGdGJI (B((3YGde GdeYQaI (B66) / s - (3YHOGdSJGQ GHQGgjes; (3YHOGdYRjR YHOGddg GdONjds; (3QVhi GHQGgjes ([S.N] : (3GdeLdS GdhWfi ddKbGaI hGdafhf hGdGOGH , s, 1993)
Keywords: (3GdGWaGds; (3QjGV GdGWaGds; (3Yde GdfaSs; (3GdSdhcs; (3GdQYGjI GdPgfjIs