Wahyuni, Ni Wayan Anik, et al. “The Rate Growth of Chrysanthemum on Application of Additional LED ( Light Emitting Diode) Light of Red-Blue Combination by Cyclic Method”. Jurnal BETA (Biosistem Dan Teknik Pertanian), vol. 5, no. 1, Feb. 2026, pp. 152-63, doi:10.24843/JBETA.2017.v05.i01.p19.