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

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

Alam, Arif and Azam, Muhammad and Abdullah, Alias and Malik, Ihtisham Abdul and Khan, Anwar and Tengku Hamzah, Tengku Adeline Adura and Faridullah, Faridullah and Khan, Muhammad Mushtaq and Zahoor, Hina and Zaman, Khalid (2015) Environmental quality indicators and financial development in Malaysia: unity in diversity. Environmental Science and Pollution Research, 22 (11). pp. 8392-8404. ISSN 0944-1344

Azam, Muhammad and Khan, Faisal and Zaman, Khalid and Md Rasli, Amran (2015) Military expenditures and unemployment nexus for selected South Asian countries. Social Indicators Research. pp. 1-15. ISSN 0303-8300