(3GdGHGfI Yf GUhd GdOjGfI (B/ s - (3GdGTYQi (B: (3GHh GdMSf Ydi Hf GSeGYjd (B: s 873(3?(B-935(3?s; (3eMehO (B: (3ahbjI MSjfs ((3GdbGgQI (B: s (3OGQGdGfUGQ (B: s, 1977)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI (B((3U(B315-223)s
Keywords: (3GdeYJRdI (B((3Yde GdcdGe(B) s; (3Yde GdcdGes