Source: https://www.cambridge.org/core/journals/theatre-research-international/article/new-directions-in-teaching-theatre-arts-edited-by-anne-fliotsos-and-gail-s-medford-cham-palgrave-macmillan-2018-pp-xix-310-7-illus-19999-hb/D6A7C4ACEFAB271539ACBCFBDDDA0BE7
