Fati, Nelzi, et al. “Using of Bangun-Bangun Leafs (Coleus Amboinicus, L) on Red Sugar Block to Upgrading Milk Production of Frisian Holstein”. International Journal on Advanced Science, Engineering and Information Technology, vol. 4, no. 2, Apr. 2014, pp. 84-86, doi:10.18517/ijaseit.4.2.374.