E. Santosa, M. Putriantari, H. Nakano, Y. Mine, and N. Sugiyama, “Canopy Achitecture, Biomass and Fruit Production of Solanum nigrum L. as Determined by Nitrogen Application”, J Hort Indonesia, vol. 8, no. 3, pp. 162–170, Dec. 2017, doi: 10.29244/jhi.8.3.162-170.