Vargas, Maria, Ruth Vicente, and Fernando Muñoz. “Searching for the Most Profitable and Sustainable Investment Strategy: Evidence from Sovereign Bond Funds”. Journal of Business Economics and Management 15, no. 5 (November 27, 2014): 1034-1053. Accessed November 20, 2024. https://jau.vgtu.lt/index.php/JBEM/article/view/3066.