Dr. Aemal Khattak is the co-author of "Assessing the relative importance of factors influencing travel happiness", published in 'Travel Behaviour and Society'.
Dr. Jongwan Eun is the co-author of "Stability of bioreactor landfills with leachate injection configuration and landfill material condition", published in 'Computers and Geotechnics'.
Dr. Seunghee Kim is the co-author of "Characterization and Engineering Properties of Dry and Ponded Class-F Fly Ash", published in 'Journal of Geotechnical and Geoenvironmental Engineering'.