Williams v. State , 261 Ga. 640 ( 1991 )
Jackson v. Virginia , 99 S. Ct. 2781 ( 1979 )
Cox v. State , 248 Ga. 713 ( 1982 )
Gentry v. State , 250 Ga. 802 ( 1983 )
Strickland v. Washington , 104 S. Ct. 2052 ( 1984 )