ALIF GITA ARUMSARI. Analysis of Catechins in Gambir West Sumatra. ARRUS Journal of Engineering and Technology, [S. l.], v. 1, n. 2, p. 47–54, 2021. DOI: 10.35877/jetech590. Disponível em: https://journal.arrus.id/index.php/jetech/article/view/590. Acesso em: 6 sep. 2026.