Witoon, T. and Numpilai, T. and Dolsiririttigul, N. and Chanlek, N. and Poo-arporn, Y. and Cheng, C.K. and Ayodele, B.V. and Chareonpanich, M. and Limtrakul, J. (2022) Enhanced activity and stability of SO42�/ZrO2 by addition of Cu combined with CuZnOZrO2 for direct synthesis of dimethyl ether from CO2 hydrogenation. International Journal of Hydrogen Energy, 47 (98). pp. 41374-41385. ISSN 03603199