Sophia Hartatri, D., and B. de Rosari. “Arabica Coffee Farming and Marketing Chain Analysis in Manggarai and EastManggarai Districts”. Pelita Perkebunan (a Coffee and Cocoa Research Journal), Vol. 27, no. 1, 1, doi:10.22302/iccri.jur.pelitaperkebunan.v27i1.145.