ABDUSSALAM, Moch; YUDA, Indah Permata; JUNIARTI, Juniarti. Transformation of Vanillin into Octahydroxanthene Derivative Using Guanidine Catalyst. Walisongo Journal of Chemistry, [S. l.], v. 3, n. 1, p. 19–24, 2020. DOI: 10.21580/wjc.v3i1.6031. Disponível em: https://journal.walisongo.ac.id/index.php/wjc/article/view/6031. Acesso em: 30 dec. 2025.