Paca, P. B., and F. Bivingo. “Comparative Analysis of Prices for Accommodation and Restaurant Services Practiced by Hotel Facilities in the Municipality of Menongue before and After the Emergence of the COVID-19 Pandemic”. E3 — Revista De Economia, Empresas E Empreendedores Na CPLP, vol. 7, no. 2, Oct. 2021, pp. 057-74, doi:10.29073/e3.v7i2.451.