Nguyen, X., Chou, T., Fang, Y., Hoang, T. and Nguyen, Q. 2020. Optimal Position Proposal for Construction of Municipal Solid Waste Landfill Using an Approach of Fuzzy Set Theory and AHP in a GIS Environment: A Case Study in Hoai Duc District, Hanoi City, Vietnam. International Journal of Geoinformatics. 16, 2 (Jun. 2020), 23–32.