HarmayaniE., Ngatirah.., RahayuE. S., and UtamiT., “Ketahanan dan viabilitas probiotik bakteri asam laktat selama proses pembuatan kultur kering dengan metode freeze dan spray drying [Survival and Viability of Lactid Acid Bacteria Probiotic during production of Dried Culture Using Freeze and Spray Drying”, J. Teknol Industri Pangan, vol. 12, no. 2, p. 126, Mar. 2012.