The Faculty of Education, Suan Sunandha Rajabhat University, congratulates Associate Professor Dr.Sumalee Tientongdee, a lecturer in general science, on the publication of her research article in the Journal of Education and Learning, Vol. 20 No. 2, May 2026. The article, titled "The impact of the PBL STEAM model of light and optics on the problem-solving skills of pre-service science teachers," is listed in the Scopus and SJR databases, quartile 3. She is also the co-researcher, Assistant Professor Dr. Pornthida Wisesilpanont, of Mahidol University.