“Efficient Air Pollution Abatement for Regions in China," International Journal of Sustainable Development and World Ecology

"Taking CO2 Emissions into a Country's Productivity Change: the Asian Growth Experience," International Journal of Sustainable Development and World Ecology

"Efficient Three Waste Abatements for Regions in China," International Journal of Sustainable Development and World Ecology

"Efficient Waste and Pollution Abatements for Regions in Japan," International Journal of Sustainable Development and World Ecology

"Under the Shadow of Asian Brown Clouds: The Unbalanced Regional Productivities in China and Environmental Concerns," International Journal of Sustainable Development and World Ecology