21 It is hoped this paper will add to advertising and marketing the worth of case study in research, schooling, and effects assessment and also to initiatives to reinforce the quality and usefulness of case studies across these fields. By utilizing multiple sources of information, scientists can triangulate their findings https://paysomeonetowritemycasest34065.sharebyblog.com/38659101/the-definitive-guide-to-hbs-case-study-solution