(3eLdI GdHMhK GdabgjI GdeYGUQI(B.s (3CcJhHQ (B- (3fhaeHQ (B- (3OjSeHQ (B1991 /s ((3GdSYhOjI (B:s (3eDSSI GdHMhK hGdOQGSGJ GdabgjI hYdhe GdbQBf GdcQje GdhbajI,s, 1991)
(3eSGFd aj GdabI(B.s
(3eLdI YdejI aUdjI eMceI eJNUUI aj Gdabg GdESdGej(B.s
(3GdSfI GdKGdKI(B: (3GdYOO GdMGOj YTQ(B.s
Keywords: (3GdTQjYI GdESdGejIs -- (3OhQjGJs