Widyasari, Ayu, Warkoyo Warkoyo, and Mujianto Mujianto. “Pengaruh Ukuran Biji Kopi Robusta Pada Kualitas Citarasa Kopi”. Jurnal Agro Industri Perkebunan 11, no. 1 (March 8, 2023): 1–14. Accessed September 17, 2026. https://jurnal.polinela.ac.id/index.php/AIP/article/view/2602.