[1]
Lillard, A.S. and Heise, M.J. 2016. An Intervention Study: Removing Supplemented Materials from Montessori Classrooms Associated with Better Child Outcomes. Journal of Montessori Research. 2, 1 (May 2016), 16–26. DOI:https://doi.org/10.17161/jomr.v2i1.5678.