AHMADANI, Abdulaziz; MIDDELBERG, Susanna Levina; OBERHOLZER, Merwe; BUYS, Pieter. THE EFFECTS OF COVID-19 ON OIL-PRODUCING ECONOMIES: A CONSIDERATION OF NIGERIAN AND ‎SAUDI ARABIAN VAT INCREASES. Studia Universitatis Babeș-Bolyai Negotia, [S. l.], v. 66, n. 4, p. 7–18, 2021. DOI: 10.24193/subbnegotia.2021.4.01. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbnegotia/article/view/213. Acesso em: 10 jan. 2025.