PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Environmental Impacts Spatial and Geographic Information Science Zhanhai Jia PeerJ Author Summary Graphics PeerJ Contributions Articles 1 June 2, 2020 Monitoring of UN sustainable development goal SDG-9.1.1: study of Algerian “Belt and Road” expressways constructed by China Zhanhai Jia, Mingquan Wu, Zheng Niu, Bin Tang, Yuxuan Mu https://doi.org/10.7717/peerj.8953 PubMed 32547851