Ningsih, Ayu Dwi Ratna, and Ade Eviyanti. “Expert System To Identify Insomnia Problems In Adults Using Forward Chaining Method”. Procedia of Engineering and Life Science 1, no. 2 (July 16, 2021). Accessed May 5, 2024. https://pels.umsida.ac.id/index.php/PELS/article/view/984.