Romashchenko, M., Matiash, T., Kovalchyk, V., Soroka, N., & Bohaienko, V. (2016). Automation and optimization of fertilizer selection using the balance method. Land Reclamation and Water Management, 104(2), 82 - 86. Retrieved from http://mivg.iwpim.com.ua/index.php/mivg/article/view/63