1. International Coffee Organization. World coffee consumption [Internet]. International Coffee Organization; 2022 [cited 2022 Oct 5]. Available from: https://www.ico.org/new-consumption-table.
2. International Coffee Organization. World coffee production [Internet]. International Coffee Organization; 2022 [cited 2022 Oct 5]. Available from: https://www.ico.org/prices/po-production.pdf.
3. National Standard Board (BSN), Biji Kopi SNI 01-2907-2008 (2008).
4. Ministry of Agriculture, Outlook Kopi (Komoditas Perkebunan) (Pusat Data dan Sistem Informasi Pertanian Kementerian Pertanian, Jakarta, 2020), 48 p.
5. A.S. Mohammed, Food Sci. Qual. Manag. 82, 10–21 (2018).