Htwe, N. M. P. S., T. Rattanaphan, A. Bourchookarn, M. Sirinupong, and E. Ruangrak. “Pre-harvest illumination with different spectral compositions improves quality of green oak lettuce in hydroponic system”. Agriculture and Natural Resources, vol. 57, no. 5, Oct. 2023, pp. 847–858, https://li01.tci-thaijo.org/index.php/anres/article/view/261296.