Cempaka, L., A. Nugrafitri Akbar, and N. Asiah. “The Evaluation of Shelf Life of Arabica Mixed Coffee Drinks Using Accelerated Shelf Life Testing Method.”. Pelita Perkebunan (a Coffee and Cocoa Research Journal), Vol. 35, no. 3, Jan. 2020, pp. 193-04, doi:10.22302/iccri.jur.pelitaperkebunan.v35i3.370.