Abbott, Marilyn, Kent Lee, and Marian Rossiter. “Evaluating the Effectiveness and Functionality of Professional Learning Communities in Adult ESL Programs”. TESL Canada Journal 35, no. 2 (December 31, 2018): 1-25. Accessed February 18, 2019. https://teslcanadajournal.ca/index.php/tesl/article/view/1303.