Muhtarom, M., A. Shodiqin, and N. Astriani. “Exploring Senior High School student’s Abilities in Mathematical Problem Posing”. JRAMathEdu (Journal of Research and Advances in Mathematics Education), vol. 5, no. 1, Feb. 2020, pp. 69-79, doi:10.23917/jramathedu.v5i1.9818.