(3GdSGOGJ QFjSG (B:s 1970 - 1981 - (3NGdO YRHs; (3YeQh TdHis; (3GSeGYjd SQGL GdOjfs ((3GdGScfOQjI (B:s (3ecJHI GdGScfOQjI,s, 2009)
Keywords: (3GfhQ GdSGOGJs; (3eUQs -- (3QDSGA GdLeghQjGJs; (3eUQs -- (3JGQjNs -- (3GdYUQ GdMOjKs -- (3GfhQ GdSGOGJ (B( 1981(3e (B) - ( 1981 (3e (B).s