Amanatallah, L.R. and Moukarzel, D.M. 2018. Elementary Mathematics Teachers’ and Coordinators’ Perceptions about Teaching Problem Solving in North Lebanon Private Schools: an Exploratory Mixed Study. European Scientific Journal, ESJ. 14, 31 (Nov. 2018), 130. DOI:https://doi.org/10.19044/esj.2018.v14n31p130.