Vo, N., Do, L., Pham, Q., & Nguyen, T. (2022). Triterpenoids and triterpenoid saponins from leaves of Bougainvillea spectabilis. Science & Technology Development Journal: Natural Sciences, 6(3), 2306-2313. https://doi.org/https://doi.org/10.32508/stdjns.v6i3.1197