(3fhGHZ YdeGA GdYQH hGdeSdejf aj GdQjGVjGJ (B/ s - (3GdOaGY,Ydj YHO Gddg,s ((3fjhjhQc(B[(3GdhdGjGJ GdeJMOI GdGeQjcjI(B] :s (3OGQ Lhf hGjdj hCHfGDg,s, 1978)
(3bGeJ GdLeYjI GdeUQjI dfTQ GdeYQaI hGdKbGaI GdYGdejI HGdbGgQI(B((3eDSSI aQGfcdjf ddWHGYI hGdfTQ SGHbG(B)(3HdGTQGa Ydi GNQGL gPG GdcJGH(B.s
(3jJVef agQS GdGYdGe hGdGeGcf(B.s
(3jJVef GQLGYGJ HHdjhZQGajI HGddZI GdGLfHjI(B.s
Keywords: (3GdYdhe(B-s -- (3JGQjNs