Mahdalena and Obet (2023) “Uji Ekstrak Bawang Merah (Allium Cepa L.) Dan Beberapa Media Tanam Terhadap Keberhasilan Sambung Pucuk Bibit Kopi Robusta (Coffea Robusta L.): Test of Shallot Extract (Allium Cepa L.) and Several Planting Media on the Success of Shoot Grafting of Robusta Coffee Seedlings (Coffea Robusta L.)”, Agrifarm: Jurnal Ilmu Pertanian, 12(2), pp. 115–120. Available at: https://ojs.uwgms.ac.id/index.php/agrifarm/article/view/2553 (Accessed: 25 April 2026).