Tanveer, Zubair, Waheed Ahmad, Nabila Asghar, and Hafeez ur Rehman. “Is the Impact of Technological Innovations on Environment Quality Symmetric or Asymmetric? Vietnam and Switzerland Evidence”. iRASD Journal of Economics 4, no. 2 (May 20, 2022): 215–231. Accessed April 30, 2025. https://www.internationalrasd.org/journals/index.php/joe/article/view/723.