Yuliansah, S., Lestari, W. ., & Rahayu, E. (2026). DEVELOPMENT OF A PROJECT-BASED LEARNING-STEM TEACHING MODULE ON MATHEMATICAL PROBLEM-SOLVING SKILLS RELATED TO PROFIT AND LOSS THROUGH A NATURAL COMPOSTING PROJECT. JUPIKA: JURNAL PENDIDIKAN MATEMATIKA, 9(1), 62-73. https://doi.org/10.37478/jupika.v9i1.7806