Mangais, R., Rampe, H. L. and Siahaan, P. (2022) “Vegetative Growth Response of Soybean (Glycine max L. Merril) After Applicated Several Plant Growth Regulators (PGRs)”, Akta Agrosia, 25(1), pp. 11–16. doi: 10.31186/aa.25.1.11-16.