RISFIANDINA, Ridha; SUMIATY, Encum. Analysis of Students’ Learning Obstacles in Solving SLETV Problems and the Development of a Hypothetical Didactical Design Based on Contextual Problems. Journal on Mathematics Education Research (J-MER), [S. l.], v. 7, n. 1, p. 160–174, 2026. DOI: 10.17509/j-mer.v7i1.930. Disponível em: https://ejournal-science.upi.edu/jmer/article/view/930. Acesso em: 30 jun. 2026.