Efficient Area Calculation of Jackfruit Leaves: Leveraging Green’s Theorem and Least Squares Function - Istiqomah, Tita; Pratama, Jovian; Saputri, Widuri; Sabrina, Nahdia; Sa’adah, Fidini; Latifah, Luluk; Wiguna, Pandu; Mahardika, Wahyu Aditya (International Journal Of Mathematics And Computer Research, 2023)