Building Components / American Concrete Institute / HanKyong National University / KongJu National University / Architectural Institute of Japan / KangNam University / University of Toronto / /
National Research Foundation of Korea / Canadian Standard Association / ACI Committee / KangNam University / Department of Architectural Engineering / Architectural Institute of Japan / Rexdale / University of Toronto / Japanese Society of Civil Engineers / KongJu National University / HanKyong National University / American Concrete Institute / /