A preliminary report on the use of robots with elementary school students. - Scott Bell; Linda Heeler; Phillip J. Heeler (J. Comput. Sci. Coll., 2008)

Computer programming with middle school students. - Scott Bell; Linda Heeler; Phillip J. Heeler (J. Comput. Sci. Coll., 2009)

Multi-step problem solving using scratch: a preliminary report. - William M. Siever; Linda Heeler; Phillip J. Heeler (J. Comput. Sci. Coll., 2011)