(3Bd SYhO (B: s (3eGVjge heSJbHdge (B/ s - (3TGejI, LHQGf, s 1914- ((3dfOf (B[(3GfLdJQG(B] : s (3UMGQi ddWHGYI hGdfTQ (B989.s, 1989)
(3GdeMJhjGJ (B: (3GdbSe (B1. s (3JGQjN Bd SYhO ; GdbSe (B2. s (3eSJbHd Bd SYhO hYgO Bd agO(B.s
(3jJVef fHPI Yf MjGI GdeDda(B.s
(3jJVef EQLGYGJ HHdjhLQGajI(B.s
(3jJVef bGFeI HGYeGd GdeDda eQJHI JQJjHG RefjG(B.s
Keywords: (3GdSYhOjIs -- (3JGQjNs -- (3GdbQf (B20s; (3Bd SYhO (B((3CSQI(B)s -- (3JGQjN(B.s; (3GdSYhOjIs -- (3edhc hMcGes -- (3JQGLe(B.s