Ethanol Extract of Gardenia augusta (L.) Merr. Flowers Produces Sleep Improvement in Rat Model, Anggadiredja, Kusnandar, I Adnyana Ketut, Safitri Dewi, Rahmawati Siti Farah, and Hendrayana Tomi , Pharmacognosy Journal, November 2019, Volume 11, Issue 6s, p.1449-1454, (2019)