(3eYQcI HOQ GdcHQi (B/ s - (3GdMSjfj GdbRhjfj, YHO GdcQje, s 1360 (3gLQj(B-s ((3HjQhJ , dHfGf(B: s (3OGQ GdJYGQa ddeWHhYGJ, s, 1980)
(3jJVef EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3eMeO (B((3Udi Gddg Ydjg hBdg hSde(B)(3, s -- (3fHj GdGSdGe, s -- 53 (3bHd GdgLQI(B-11 (3gLQjs -- (3ZRhI HOQ GdcHQis