(3GKHGJ GdedcjI HGdMjGRI hHGdhUjI ai bVGA eMceI GdfbV GdeUQjI(B((3OQGSI ebGQfI(B) / s - (3YHOGdfGUQ Jhajb GdYWGQs ([S.N] : (3dLfI GdGYdGe hGdOQGSGJ GdeSJbHdjI , s, 1978)
Keywords: (3GdbGfhfs; (3bGfhf GdedcjIs; (3GdMjGRIs