Juanxia Zhao,*, Rui Ge ,Minghao Wang. “Gravity Model and Social Network Analysis on Economic Connection Network Structure of Urban Agglomeration in Anhui Province Based On Two-Way Time Distance Correction”. Design Engineering (March 31, 2020): 809 - 830. Accessed May 8, 2024. http://thedesignengineering.com/index.php/DE/article/view/334.