Utami, Maulidiyah, et al. “Aktivitas NADP(H) Oksidoreduktase Pada Kultur Sel Kina (Cinchona Ledgeriana Moens) Terelisitasi”. Jurnal Ilmu Pertanian Indonesia, vol. 25, no. 4, Oct. 2020, pp. 540-6, https://doi.org/10.18343/jipi.25.4.540.