Árváné Georgina, V., Z. Csapó, L. Kárpáti, and A. Nábrádi. “Honey Production and Its Externality Effects”. Economics of Agriculture, vol. 57, no. Spec.num.2, Dec. 2010, pp. 409-18, https://ea.bg.ac.rs/index.php/EA/article/view/1019.