(3GdeONd dOQGSI GdbGfhf aj VhA BQGA Gdabg hCMcGe GdbVGA (B/s - (3dWaj, eMeO MSGe eMehO(B.s ((3GdbGgQI (B:s (3OGQ GdKbGaI ddWHGYI hGdfTQ,s, 1991)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdbGfhfs -- (3OQGSI hJYdjes