(3GdfXe GdSjGSjI hGdbGfhf GdOSJhQj (B/s (3GdLRA GdGhd s (3GdfXQjI GdYGeI ddbGfhf GdOSJhQjs - (3QeRj Wg GdTGYQs ((3Yjf TeS(B:s (3eWHYI LGeYI Yjf TeS(B,s, 1977)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdbGfhf GdOSJhQjs