Faria, Samuel, João Rebelo, Alexandre Guedes, and Sofia Gouveia. “Fractional Responses With Spatial Dependence of Portuguese wineries’ Domestic Market Sales to an Exogenous Shock (Covid-19)”. Wine Economics and Policy 12, no. 2 (December 31, 2023): 43–54. Accessed May 16, 2024. https://oaj.fupress.net/index.php/wep/article/view/13917.