(3eUGOQ GdSjQI GdfHhjI hJbhjegG (B/s - (3MeGOI, aGQhbs ((3GdOGQ GdHjVGA, GdeZQH (B:s (3OGQ GdKbGaI,s, 1980)
(3HHdjhLQGajI (B: (3U(B. 124-128.s
Keywords: (3eMeO (B((3Udi Gddg Ydjg hSde(B)(3,s -- 53 (3bHd GdgLQI(B-11 (3g`LQjGs -- (3HHdjhLQGajGJs; (3GdSjQI GdfHhjIs -- (3HHdjhLQGajGJs