Иовхимчук, Наталья. “BUSINESS ETHICS AND EFFECTIVE SPEECHES COMMUNICATION OF THE EDUCATIONAL PRIMARY SCHOOL”. SWorldJournal 2, no. 03-02 (February 28, 2020): 31–35. Accessed April 25, 2024. https://www.sworldjournal.com/index.php/swj/article/view/swj03-02-037.