5,205 Nurul Nadia Binti Ya'akob 2019-04-29 http://203.64.245.61/fulltext_pdf/ebook1/10-24%20velvet%20plant.pdf PDF-Ebook-The World Vegetable Center's Library - Velvet plant. Amber Global http://edis.ifas.ufl.edu/ep534 Database-University of Florida IFAS Extension - Biology and Management of Thickhead (Crassocephalum crepidioides) in Ornamental Crop Production http://uses.plantnet-project.org/en/Crassocephalum_crepidioides_(PROTA) Website-Pl@ntUse - Crassocephalum crepidioides (PROTA)