Pratomo GS. Pengaruh Jenis Media dengan Hormon Tumbuh NAA-BAP terhadap Pertumbuhan dan Kandungan Flavonoid Kalus Daun Echinaceae purpurea (L.) Moench: Effect of Media Types with NAA-BAP Growth Hormones on the Growth and Content of Flavonoids of Echinaceae purpurea (L.) Moench Leaf Callus. J Surya Medika. 2016;1(2):51-57. doi:10.33084/jsm.v1i2.399