(3GdagQS GdTGed ddJQGK GdYQHj GdESdGej GdeNWhW (B: s (3Ydhe GdbQGf (B:(3QSe GdeUGMa (B/ s - (3GdHMhK GdMVGQg GdGSdGejgs ((3YeGf (B:s (3GdeLeY,s, 1986)
Keywords: (3GdbQGf GdcQje eUGMa agGQSs