Damayanti, R.E. dkk. 2024. Respon Bibit Kopi Robusta (Coffea canephora) Terhadap Pemberian KNO3 dan Ekstrak Bawang Merah. Agropross : National Conference Proceedings of Agriculture. (Okt 2024), 475–482. DOI:https://doi.org/10.25047/agropross.2024.761.