All class material is delivered in published English. Shut captioning in English is available for all films. There are no Dwell interactions through the course that requires the learner to speak English. Coursework has to be concluded in English. Case scientific studies are used in many industries and educational fields. https://dantevoqvs.bloguetechno.com/the-definitive-guide-to-hbs-case-study-help-71199747