1. Research on direct instruction: 25 Years beyond DISTAR;Adams,1996
2. Clear teaching: With direct instruction, Siegfried Engelmann discovered a better way of teaching;Barbash,2011
3. Teaching reading and language to the disadvantaged. What we have learned from field research;Becker;Harvard Educational Review,1977
4. Teachers' perceptions of direct instruction teaching;Bessellieu;Direct Instruction News,2001
5. Precision teaching and direct instruction: Measurably superior instructional technology in schools;Binder;Performance Improvement Quarterly,1990