Jakab Péter; Fekete Zsófia; Nagy Piroska: The effect of foliar fertilization in ecological maize production. In: Review on agriculture and rural development, (4) 1-2. pp. 43-46. (2015)
Jakab Péter; Nagy Piroska; Kristó István: Environmentally friendly nutrient supply of maize. In: Review on agriculture and rural development, (3) 1. pp. 320-323. (2014)