SINAGA, Hardinan; HARTOMO, Kristoko Dwi; PRASETYO, Sri Yulianto Joko. Development of a Composite Eutrophication Proxy Index (CEPI) Using Sentinel-2 GeoAI Time-Series for Lake Toba. International Journal of Advances in Data and Information Systems, Indonesia, v. 7, n. 2, p. 687–699, 2026. DOI: 10.59395/ijadis.v7i2.1596. Disponível em: https://mail.ijadis.org/index.php/ijadis/article/view/1596. Acesso em: 12 oct. 2026.