Zou, Xiang and Azam, Muhammad and Islam, Talat and Zaman, Khalid (2016) Environment and air pollution like gun and bullet for low-income countries: war for better health and wealth. Environmental Science and Pollution Research, 23 (4). pp. 3641-3657. ISSN 0944-1344

Gul, Sehrish and Zou, Xiang and Hassan, Che Hashim and Azam, Muhammad and Zaman, Khalid (2015) Causal nexus between energy consumption and carbon dioxide emission for Malaysia using maximum entropy bootstrap approach. Environmental Science and Pollution Research, 22 (24). pp. 19773-19785. ISSN 0944-1344