(3OQGSGJ Mhd VeGfGJ GdGSJKeGQ ai bhGfjf GdHdGO GdYQHjI (B/ s - (3eYgO GdHMhK hGdOQGSGJ GdYQHjIs ([S.N] : (3LGeYI GdOhd GdYQHjI(B: (3eYgO GdHMhK hGdOQGS , s, 1978)
Keywords: (3GdGSJKeGQs; (3bhGfjf hJTQjYGJs; (3GdVeGfGJs