(3GdJMdjd GdGMUGFi ai GdeLGdGJ GdGbJUGOjI h GdeGdjI h GdJLGQjI (B/ s - (3Ydi (B: (3aJMi eMeOs ((3GdbGgQI (B: s (3ecJHI Yjf TeS (B: s, 1991)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI (B: (3U (B469-474s
Keywords: (3GdGMUGA GdJMdjdis; (3GdGMUGAs