Thanawoor Parinyapatthanaboor และ Praphan Pinsirodom. (2011) Factors affecting properties and antioxidant capacities of roselle (Hibiscus sabdariffa L.) extracts and their application in meat products. King Mongkut’s institute of technology Ladkrabang:ม.ป.ท.Thanawoor Parinyapatthanaboor และ Praphan Pinsirodom. 2011. Factors affecting properties and antioxidant capacities of roselle (Hibiscus sabdariffa L.) extracts and their application in meat products. ม.ป.ท.:King Mongkut’s institute of technology Ladkrabang;Thanawoor Parinyapatthanaboor และ Praphan Pinsirodom. Factors affecting properties and antioxidant capacities of roselle (Hibiscus sabdariffa L.) extracts and their application in meat products. ม.ป.ท.:King Mongkut’s institute of technology Ladkrabang, 2011. Print.