SRIDITH, K.; PUFF, C. Distribution of Argostemma Wall. (Rubiaceae), with special reference to Thailand and surrounding areas. Thai Forest Bulletin (Botany), [S. l.], n. 28, p. 123–137, 2014. Disponível em: https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24959. Acesso em: 28 sep. 2022.