Śpiewak, Ruta, and Jakub Jasiński. “KNOWLEDGE TRANSFER IN THE ORGANIC FARMING SYSTEM: THE ROLE OF AGRICULTURAL ADVISORY SERVICE”. Journal of Agribusiness and Rural Development 51, no. 1 (April 5, 2019): 77–83. Accessed April 24, 2024. http://www1.up.poznan.pl/jard/index.php/jard/article/view/1111.