(3GdJWHjb GdeMGSHj debhdI TQcGA dG CLQGA JUhQ Ydej (B/ s - (3GdYQHj, YHO GdSdGe Ydjs ((3WQGHdS (B((3djHjG(B) :s (3GdeQcR GdYGdej ddOQGSGJ h CHMGK GdcJGH GdCNVQ,s, 1991)
Keywords: (3GdeMGSHIs