Aulia, Amni, et al. “Maturity Level Detection of Sugar Apple (Annona Squamosa L.) Based On Physical And Chemical Properties at Room Temperature Storage Using Random Forest and K-Nearest Neighbor (k-NN) Agorithms”. J-AGENT (Journal of Agricultural Engineering and Technology), vol. 1, no. 1, Nov. 2023, pp. 36-45, https://journal.unram.ac.id/index.php/agent/article/view/3630.