S.P.H. Spencer Vitharana. “Comparative Studies of Green Bonds Investment in the United States and Europe: Responding to Social Concern on Climate Change”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 10 (April 28, 2021): 4202–4210. Accessed December 27, 2024. https://turcomat.org/index.php/turkbilmat/article/view/5145.