Rizki, Syafrika Deni, and Sarjon Defit. “Texture and Flag Color Extraction in Backpropagation Neural Network Architecture”. Jurnal Penelitian Pendidikan IPA 10, no. 5 (May 25, 2024): 2191–2198. Accessed August 23, 2025. https://jppipa.unram.ac.id/index.php/jppipa/article/view/7146.