Li, Y. (2022) “Optimal red:blue ratio of full spectrum LEDs for hydroponic pakchoi cultivation in plant factory”, International Journal of Agricultural and Biological Engineering, 15(3), pp. 72–77. Available at: https://www.ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/7362 (Accessed: 26 February 2026).