Setyowati, Nuning, -Hanifah Ihsaniyati, Aditya Pitara Sanjaya, and -Widiyanto. “Sikap Petani Terhadap Pengolahan Kopi Robusta Berbasis Indikasi Geografis Di Kabupaten Temanggung ”. Jurnal Penyuluhan 17, no. 2 (September 20, 2021): 218-227. Accessed January 21, 2022. https://jagb.journal.ipb.ac.id/index.php/jupe/article/view/33273.