Hallie Kay Yopp

The instructional design portfolio: Software to support spelling development: An instructional media design project

Abbie Brown, Tim Green, Hallie Kay Yopp, 2004 .

Developing Phonemic Awareness in Young Children.

Hallie Kay Yopp, H. Yopp, 1992 .

The validity and reliability of phonemic awareness tests.

Hallie Kay Yopp, H. Yopp, 1988 .

Time with Text.

Hallie Kay Yopp, Ruth Helen Yopp, 2003 .