●Ratu Keni Atika,「Spatio-temporal analysis of land use intensity from laterite nickel mining activities in Indonesia」 Oral, ISIE-SEM 2025, Singapore, Singapore, June 30-July 4, 2025

●Ratu Keni Atika,「Land Use Change Classification Induced by Intensified Nickel Mining Activities in Indonesia」 Oral, 第20回日本LCA学会研究発表会/ The 20th Meeting of the Institute of Life Cycle Assessment, Hiroshima, Japan, March, 5-7, 2025

●Ratu Keni Atika,「Land Use Change Classification Induced from the Intensifying Nickel Minign Activities in Indnesia」 Poster, 第6回 環境科学討論会/6th Academic Forum on Environmental Studies, Sendai, Japan, October 25, 2024