A.J.G.H. KOSTERMANS. “NOVELTIES IN HERITIERA DRY. AND SCAPHIUM SCHOTT & ENDL. (STERCULIACEAE)”. Reinwardtia, vol. 10, no. 5, July 2025, pp. 477-8, https://biologyjournal.brin.go.id/index.php/reinwardtia/article/view/257.