Hue Hoang Thi, Hanh Nguyen Thi Hong, Trang Bui Thi Thu and Thuong Nguyen Thi Hoai 2024. Research on households’ willingness to pay for the options of price calculation of household solid waste management services in Hanoi. Vietnam Journal of Science, Technology and Engineering. 66, 2 (Jun. 2024), 121-128. DOI:https://doi.org/10.31276/VJSTE.66(2).121-128.