Awidiyantini, Ruly, dan Yanti Nurmalasari. “Pengaruh Cara Perbanyakan Vegetatif Terhadap Pertumbuhan Kopi Robusta (Coffea Canephora) Klon BP 308 Dan BP 534”. Agropross : National Conference Proceedings of Agriculture 3 (November 17, 2023): 64–71. Diakses Juli 3, 2024. https://proceedings.polije.ac.id/index.php/agropross/article/view/88.