Pakon Sakdee และผู้แต่งคนอื่นๆ. (2026) Effects of photoperiod on the growth and morphology of butterhead lettuce in a vertical hydroponic system. <i>Agricultural and Biological Engineering</i>, <i>3</i>(1), 30-34.Pakon Sakdee และผู้แต่งคนอื่นๆ. "Effects of photoperiod on the growth and morphology of butterhead lettuce in a vertical hydroponic system". Agricultural and Biological Engineering 3 (2026):30-34.Pakon Sakdee และผู้แต่งคนอื่นๆ. Effects of photoperiod on the growth and morphology of butterhead lettuce in a vertical hydroponic system. Faculty of Engineering, Khon Kaen University:ม.ป.ท. 2026.