(3GdfXe GdSjGSjI hGdbGfhf GdOSJhQi (B/s - (3aDGO GdYWGQ(B.s ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1974)
(3jTJed Ydi bGFeI HCHMGK GdeDda(B.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdfXe GSjGSjIs; (3GdbGfhf GdOSJhQjs