Сулима, Наталия, and Владимир Кутовенко. “COST EFFECTIVENESS OF PIG FARMING AND WAYS OF HER INCREASE”. SWorldJournal 1, no. 05-01 (November 30, 2020): 53–56. Accessed November 24, 2024. https://sworldjournal.com/index.php/swj/article/view/swj05-01-015.