Shaha SH, Glassett KF, Copas A. The Impact Of Teacher Observations With Coordinated Professional Development On Student Performance: A 27-State Program Evaluation. TLC [Internet]. 2015 Jan. 13 [cited 2022 Aug. 17];12(1):55-64. Available from: https://clutejournals.com/index.php/TLC/article/view/9070