OPTIMATION OF CALLUS GROWTH MEDIUM OF Vitex Trifolia IN IN-VITRO CULTURE - Puspitasari, Andayana; Departement of Biology Faculty of Pharmacy Universitas Gadjah Mada Yogyakarta (Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia, 2005)