[1]
Sichiangha , A., Soijit , P. and Chansaengkrachang, K. 2021. DEVELOPMENT OF LEARNING ACTIVITIES FOR MATHEMATICAL PROBLEM-SOLVING THROUGH GEOGEBRA PROGRAM WITH PLOBLEM-BASED LEARNING ACTIVITIES. Journal of MCU Nakhondhat. 8, 8 (Jul. 2021), 31–42.