Jirapan Srithongkul และ Sirichai Kanlayanarat. (2010) Effects of leaf maturity, light intensity and temperature on changing of asiaticoside and quality of asiatic pennywort (Centella asiatica (L.) Urb.) /. King Mongkut's University of Technology Thonburi,:ม.ป.ท.Jirapan Srithongkul และ Sirichai Kanlayanarat. 2010. Effects of leaf maturity, light intensity and temperature on changing of asiaticoside and quality of asiatic pennywort (Centella asiatica (L.) Urb.) /. ม.ป.ท.:King Mongkut's University of Technology Thonburi,;Jirapan Srithongkul และ Sirichai Kanlayanarat. Effects of leaf maturity, light intensity and temperature on changing of asiaticoside and quality of asiatic pennywort (Centella asiatica (L.) Urb.) /. ม.ป.ท.:King Mongkut's University of Technology Thonburi, 2010. Print.