He, Jie, Lin Qin, and Wah Soon Chow. 2019. “Impacts of LED Spectral Quality on Leafy Vegetables: Productivity Closely Linked to Photosynthetic Performance or Associated With Leaf Traits?”. International Journal of Agricultural and Biological Engineering 12 (6):16-25. https://doi.org/10.25165/ijabe.v12i6.5178.