SEPDIAN LURI; FRYANDIKA , Anugraha; SETYOKO, Ujang. Respon Pertumbuhan Stek Kopi Robusta (Coffea canephora Pierre ex A. Froehner) menggunakan Filtrat Bahan Alami yang Mengandung Zat Pengatur Tumbuh Tumbuhan (ZPT) Alami: The Growth Response of Robusta Coffee Cuttings (Coffea canephora Pierre ex A. Froehner) using Natural Ingredients Filtrate Containing Natural Plant Growth Regulatory Substances (PGR). Jurnal Ilmiah Inovasi, [S. l.], v. 23, n. 1, p. 69–74, 2023. DOI: 10.25047/jii.v23i1.3861. Disponível em: https://publikasi.polije.ac.id/jii/article/view/3861. Acesso em: 13 mar. 2025.