Szelag-Sikora, Anna, Monika Komorowska, Oleg Ovcharuk, Zofia Grodek-Szostak, and Joanna Stuglik. “INNOVATION IN A PRODUCER GROUP FOCUSED ON MILK PRODUCTION OF THE SILESIAN PROVINCE”. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference 6 (May 21, 2019): 510–519. Accessed April 27, 2024. https://journals.ru.lv/index.php/SIE/article/view/3955.