Rujukan Ulam raja

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  2. 1 2 Bodeker G (2009). Health and Beauty from the Rainforest: Malaysian Traditions of Ramuan. Kuala Lumpur: Didier Millet. ISBN 978-981-4217-91-0.
  3. Melchert TE (1990). "Cosmos caudatus (Asteraceae: Coreopsideae) in Mexico: a cytotaxonomic reappraisal". Phytologia. USA. 69 (3): 200–215. doi:10.5962/bhl.part.17999. description, discussion, photographs, line drawings, distribution map
  4. Funk VA, Berry P, Alexander S, Hollowell TH, Kelloff CL, penyunting (July 2007). "Checklist of the plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana)". United States National Herbarium. Washington, DC: National Museum of Natural History. 55: 1–584. CiteSeerX 10.1.1.454.3269.
  5. Jørgensen PM, León-YánezS, penyunting (1999). "Cat. Vasc. Pl. Ecuador". Monographs in Systematic Botany from the Missouri Botanical Garden. 75: i–viii, 1–1181.
  6. Humbert H (1923). "Les Composées de Madagascar". Mémoires de la Société Linnéenne de Normandie. 25: 1–335.
  7. Sousa Sánchez M, Cabrera Cano EF (1983). "Flora de Quintana Roo". Listados Florísticos de México. 2: 1–100.
  8. López Vargas A (1995). Estudio de Vegetación de las Partes Sud y Sudoeste de las Provincias Mizque y Campero --- Cochabamba (Tesis). = Universidad Mayor de San Simón, Cochabamba. m/s. i–vi, 1–152.
  9. Foster RC (1958). "A catalogue of the ferns and flowering plants of Bolivia". Gray Herbarium of Harvard University. 184: 1–223.
  10. 1 2 Pruski, John Francis; Robinson, Harold Ernest (2018). "Asteraceae". Flora Mesoamericana. 5. St. Louis, Missouri: Missouri Botanical Garden. m/s. i–xix, 1–608.
  11. 1 2 3 Hassan WE (2006). Healing Herbs of Malaysia. Kuala Lumpur: Federal Land Development Agency. ISBN 978-983-99544-2-5.
  12. 1 2 3 Said Moshawih; Manraj Singh Cheema; Zuraini Ahmad; Zainul Amiruddin Zakaria; Muhammad Nazrul Hakim (2017). "A comprehensive review on Cosmos caudatus (ulam raja): pharmacology, ethnopharmacology, and phytochemistry". International Research Journal of Education and Sciences (IRJES). 1 (1): 14–31. ISSN 2550-2158.