C. D. S. Peretiatko, E. A. Hupalo, J. R. da R. Campos, and C. R. B. Parabocz, “Efficiency of Zinc and Calcium Ion Crosslinking in Alginate-coated Nitrogen Fertilizer”, Orbital: Electron. J. Chem., vol. 10, no. 3, pp. 218-225, May 2018.