Heru, H., R. E. Yuliani, and R. Septra Nery. “The Readiness of Mathematics Teachers in South Sumatra Province to Conduct Online Learning from the TPACK Perspective”. JRAMathEdu (Journal of Research and Advances in Mathematics Education), vol. 8, no. 4, Oct. 2023, doi:10.23917/jramathedu.v8i4.1675.