Liu, Nannan, Rong Liu, Jian Huang, and Lingshuang Chen. “Pollution, Happiness and Willingness to Pay Taxes: The Value Effect of Public Environmental Policies”. Problemy Ekorozwoju 13, no. 1 (January 2, 2018): 75–86. Accessed November 22, 2024. https://ph.pollub.pl/index.php/preko/article/view/5040.