ColemanM.R.GallagherJ.J. (1992). Middle school survey report: Impact on gifted students. University of North Carolina, Gifted Education Policy Studies Program.
2.
ColemanM.R.GallagherJ.J.HowardJ. (1993). Middle school site visit report: Five schools in profile. University of North Carolina, Gifted Education Policy Studies Program.
3.
GeorgeP. (1993). Tracking and ability grouping in the middle school: Ten tentative truths. Middle School Journal, 24(4), 17–24.
