V. Chryssanthopoulou, G. Kouzas, and P. G. Kanellatou, “MUSICAL STREET PERFORMANCES AS A SURVIVAL STRATEGY DURING THE COVID-19 CRISIS: STREET MUSICIANS IN ERMOU ST., ATHENS: THE RESULTS OF THE RESEARCH PROGRAMME STREET MUSICIANS”, pea, vol. 33, no. 22, pp. 11–44, Apr. 2023.