Megawati, M., N. Sahiri, and A. Adrianton. “Pengaruh Jenis Rimpang Dan Komposisi Media Tanam Terhadap Pertumbuhan Bibit Temulawak (Curcuma Xanthorrhiza Roxb.)”. AGROTEKBIS : JURNAL ILMU PERTANIAN (e-Journal), Vol. 4, no. 3, June 2016, pp. 244 -51, http://103.245.72.23/index.php/agrotekbis/article/view/15.