Setiawan, M.A.R. et al. 2026. Effect of Light Emitting Diode (LED) Red Blue on the Production of Pakcoy (Brassica rapa L.). Jurnal BETA (Biosistem dan Teknik Pertanian). 11, 1 (Feb. 2026), 62–66. DOI:https://doi.org/10.24843/JBETA.2023.v11.i01.p07 .