(3aGS aj YUQ Hfj eQjf (B/ s - (3dhJhQfh, QhLjgs; (3RjGOg, fbhdGs ((3HjQhJ (B:s (3ecJHI dHfGf,s, 1967)
Keywords: (3JGQjN GdeZQHs; (3GdJGQjN GdSjGSjs; (3aGSs