Tax-I-QL Tip AuthorsAl FengPublicationZXir QLive Alive!Pub DetailsZXir QLive Alive! v2 n1Volume: 2 Issue: 1DateSpring 1992Pages13-14Read the articleSee all articles from ZXir QLive Alive! v2 n1 TagsZXir QLive Alive QL PeopleAl Feng