[1]
Waikruea, B. 2026. THE DEVELOPMENT OF LEARNING ACTIVITY SET USING THE GPAS 5 STEPS ADVANCED SYSTEM THINKING PROCESS COMBINED WITH THE STAD TECHNIQUE IN THE PHYSICS SUBJECT ON THE TOPIC REFRACTION ON LIGHT FOR MATHAYOMSUKSA 5 STUDENTS. Journal of Education and Innovation. 28, 1 (Mar. 2026), 281994 . DOI:https://doi.org/10.71185/jeiejournals.v28i1.281994.