Suparya, I.K. , Paramita, I.K.C. and Dipapastana, K. 2026. Development of an IPAS supplementary book oriented toward Tri Kaya Parisudha for elementary school students. Indonesian Journal of Educational Development (IJED). 7, 2 (Aug. 2026), 673–688. DOI:https://doi.org/10.59672/ijed.v7i2.6438.