Vasianka, Natalia (A.A. 2023/2024) Are nano the new micro? Nano-versus micro-influencer campaign effectiveness in terms of sales, ROI and consumer engagement: a field study. Tesi di Laurea in Marketing plan & markstrat simulation, Luiss Guido Carli, relatore Rumen Ivaylov Pozharliev, pp. 35. [Master's Degree Thesis]