(3hSGFd GdEYdGe hGdOhd GdeJWhQI (B/s - (3aQGfSjS HGd,MSjf GdYhOGJ s; (3Rcj GdLGHQ(B;(3KQjG eJhdjs ([(3Ohf ecGf(B] :s (3GdefXeI GdYQHjI ddJQHjI hGdKbGaI hGdYdhe ,s, 1983)
Keywords: (3hSGFd GdEYdGe s