2026. PERANCANGAN DAN IMPLEMENTASI SISTEM KEAMANAN DATA MENGGUNAKAN ALGORITMA KRIPTOGRAFI SIMETRI IDEA (INTERNATIONAL DATA ENCRYPTION ALGORITHM). JOURNAL OF SCIENCE AND SOCIAL RESEARCH. 9, 2 (Apr. 2026), 1742–1747. DOI:https://doi.org/10.54314/jssr.v9i2.6015.