CHINH, V. T.; QUANG, B. H.; CUONG, N. T.; BACH, T. T. Canthium simile Merr. & Chun (Rubiaceae), a new species for the flora of Vietnam. Academia Journal of Biology, [S. l.], v. 31, n. 2, p. 40–42, 2012. DOI: 10.15625/0866-7160/v31n2.813. Disponível em: https://vjs.vjs.ac.vn/index.php/vjbio/article/view/813. Acesso em: 25 sep. 2021.