Mayasari, H., Wardhana, B.I. and Tahir, I. 2023. Evaluation of landfill management at Piyungan landfill Yogyakarta by using integrated risk based approach method. Journal of Environmental Engineering and Landscape Management. 31, 1 (Jan. 2023), 23–33. DOI:https://doi.org/10.3846/jeelm.2023.18065.