Agustina, Rika, Neneng Tita Rosita, and Agus Jaenudin. “Analysis of Mathematical Problem-Solving Skills of SMK Class XI Students in Statistics Material”. Journal of Mathematics Instruction, Social Research and Opinion 5, no. 3 (July 27, 2026): 2209–2222. Accessed September 22, 2026. http://journal-gehu.com/index.php/misro/article/view/1350.