TAKÁCS-HÁJOS, M., T. RUBÓCZKI, F. M. SZABÓ, and A. KISS. “Effect of Environmentally Friendly Nutrition Supply on Stevia (Stevia Rebaudiana B.) Production”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, Vol. 47, no. 1, July 2018, pp. 201-6, doi:10.15835/nbha47111232.