Sirisrimangkorn, Lawarn, and Jitpanat Suwanthep. 2013. “The Effects of Integrated Drama-Based Role Play and Student Teams Achievement Division (STAD) on Students’ Speaking Skills and Affective Involvement”. Scenario: A Journal of Performative Teaching, Learning, Research 7 (2): 64-78. https://doi.org/10.33178/scenario.7.2.5.