The Demonstration School of Suan Sunandha Rajabhat University proudly extends its heartfelt congratulations to

Associate Professor Dr. Sumalee Thiantongdee
Director of the Demonstration School of Suan Sunandha Rajabhat University

on the publication of her research article in the Journal of Education and Learning, Vol. 20, No. 2 (May 2026).

Research Title:
The Impact of PBL STEAM Model of Light and Optics on Problem-Solving Skill of Pre-Service Science Teachers

The article has been published in a journal indexed in Scopus and ranked in SJR Quartile 3 (Q3).

The research was conducted in collaboration with Assistant Professor Dr. Porntida Wisetsilpanon of Mahidol University.

This remarkable achievement reflects excellence in research and academic contribution, bringing pride to the school and inspiring both educators and students to pursue academic excellence and innovation.

Congratulations on this well-deserved accomplishment! ????????✨