1. Kemenperin. Produksi Kopi Nusantara Ketiga Terbesar di Dunia. http://www.kemenperin.go.id/artikel/6611/Produksi-Kopi-Nusantara-Ketiga-Terbesar-Di-Dunia. (2013). [accessed on September 27th, 2018]
2. Indonesia-investement. Coffee in Indonesia, Production and Export Indonesia Coffee. https://www.indonesia-investment.com. (2017). [accessed on September 27th, 2018]
3. The coffee berry borer, Hypothenemus hampei (Ferrari) (Coleoptera: Curculionidae): a short review, with recent findings and future research directions
4. R. Rukmana dan U. S. Saputra. Hama Tanaman dan Tenik Pengendalian (Kanisius, Yogyakarta, 1997).
5. Gut microbiota mediate caffeine detoxification in the primary insect pest of coffee