Savitri P, Nurkamali A. PARTIAL DIFFERENTIAL IN OPTIMIZATION SALES OF GOODS THROUGH THE USE OF CURVE FIT SOFTWARE – TOOLS. GEOM APLL MATH [Internet]. 2023 Mar. 30 [cited 2026 Jun. 28];1(1):41-53. Available from: https://tesseract.nindikayla.com/index.php/home/article/view/10