F. D. Zai, S. Yamtinah, A. S. Shidiq, H. R. Widarti, and A. Wiyarsi, “AI-based assessment: Aiken index analysis of content validity in scientific literacy instruments on the basic laws of chemistry with ethnochemistry”, J.Pendidik.Kim, vol. 16, no. 3, pp. 251 – 256, Dec. 2024.