(3eNJUQ eNGdaGJ GdWgGQI hGdUdGI hHYV eNGdaGJ GdeSGLO (B/s (3GdbSe GdChd hGdbSe GdKGfj (B/s - (3GdYLdGf , YHOGddg Hf jhSas; (3GdSOMGf , YHOGdYRjR Hf eMeO Hf YHOGddgs ((3GdQjGV (B:s (3OGQ GdefGQ ddfTQ ,s, 1991)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdUdGI (B((3abg ESdGej(B)s; (3GdWgGQI (B((3abg ESdGej(B)s; (3GdeSGLOs -- (3BOGH GdSdhcs