SINURAT, J. P.; KRISDIANILO, V.; KARO, R.; BERUTU, R. Analysis of Total Terpenoids from Maniltoa Grandiflora (A. Gray) Scheff Leaves Using TLC and HPLC Methods. Stannum : Jurnal Sains dan Terapan Kimia, v. 2, n. 2, p. 40-44, 31 out. 2020.