Sari, Novi Yulanda, et al. “Vegetative Growth Response of Robusta Coffee Seedlings (Coffea Canephora Pierre Ex A. Froehner) to Various Concentrations of Atonic Growth Regulators”. Pro-Life, vol. 13, no. 1, Mar. 2026, pp. 30-42, doi:10.33541/pro-life.v13i1.7897.