Permatasari, A.; Riandi, R.; Kusumastuti, M. N. Development of the Riverkeeper Game Using Canva Application to Teach Ecosystem Topic to High School Students. J. Penelit. dan. Pengkaj. Ilmu. Pendidik. e-Saintika 2025, 9 (2), 446-464. https://doi.org/10.36312/e-saintika.v9i2.3215.