Fauziah, A., Endang M. Kurnianti, and Otib Satibi Hidayat. “Development of Website Chatbot Media Learning Data Presentation Materials Based on Problem Solving In Grade 4th Elementary School”. Efektor, vol. 9, no. 1, May 2022, pp. 23-34, doi:10.29407/e.v9i1.16348.