Ardha, M., Yasin, V. and Solikhun, S. 2023. The Application of the Fletcher-Reeves Algorithm to Predict Spinach Vegetable Production in Sumatra. International Journal of Engineering and Computer Science Applications (IJECSA). 2, 1 (Jan. 2023), 11-22. DOI:https://doi.org/https://doi.org/10.30812/ijecsa.v2i1.2417.