Stojkoska, E., and S. Jordanov. “The Protection Problems With the Edible Snails Diversity and the Survey on the Situation of Their Collection, Buying up in the Republic of Macedonia”. Macedonian Journal of Ecology and Environment, vol. 9, no. 1-2, Dec. 2005, pp. 71-76, https://mjee.org.mk/index.php/mjee/article/view/76.