Sulastri, Ida Ayu Inten Dwi, et al. “Analysis of Business Development of Coffee Beverage (Case Study Of Greenhouse Coffee And Meal, Denpasar)”. Jurnal BETA (Biosistem Dan Teknik Pertanian), vol. 6, no. 1, Nov. 2017, pp. 10-16, doi:10.24843/j.beta.2018.v06.i01.p02.