VAN QUY, N.; SINSIRI, W.; CHITCHAMNONG, S.; BOONTIANG, K.; KAEWDUANGTA, W. Effects of electrical conductivity (EC) of the nutrient solution on growth, yield and quality of lettuce under vertical hydroponic systems. วารสารแก่นเกษตร, [S. l.], v. 46, n. 3, p. 613–622, 2018. Disponível em: https://li01.tci-thaijo.org/index.php/agkasetkaj/article/view/250126. Acesso em: 1 ต.ค. 2026.