Yen, Hoang Thi Thu, et al. “Expression of Gene Encoding Flavonol Synthase Isolating from Trung Du Xanh Tea <i>(Camellia Sinensis < i> Var. <i> Macrophylla) < i> in <i> E. Coli < I>”;. Academia Journal of Biology, vol. 42, no. 1, Mar. 2020, doi:10.15625/0866-7160/v42n1.13833.