SICHIANGHA , A.; SOIJIT , P.; CHANSAENGKRACHANG, K. DEVELOPMENT OF LEARNING ACTIVITIES FOR MATHEMATICAL PROBLEM-SOLVING THROUGH GEOGEBRA PROGRAM WITH PLOBLEM-BASED LEARNING ACTIVITIES. Journal of MCU Nakhondhat, Nakhon Si Thammarat, Thailand, v. 8, n. 8, p. 31–42, 2021. Disponível em: https://so03.tci-thaijo.org/index.php/JMND/article/view/254263. Acesso em: 28 sep. 2022.