Jaesun LEE. Investigating the Efficiency Wage Theory in US Fast Food Restaurants. New Innovations in Economics, Business and Management Vol. 2, [S. l.], p. 72–78, 2021. DOI: 10.9734/bpi/niebm/v2/14358D. Disponível em: https://stm.bookpi.org/NIEBM-V2/article/view/4743. Acesso em: 3 jul. 2026.