He, Zhihao, et al. “Determination of Amount of Irrigation and Nitrogen for Comprehensive Growth of Greenhouse Cucumber Based on Multi-Level Fuzzy Evaluation”. International Journal of Agricultural and Biological Engineering, vol. 14, no. 2, Apr. 2021, pp. 35-42, https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/5785.