Koliadenko, Olga. “‘UKRAINIAN GRAMMAR’ BY BORYS GRINCHENKO AND QUESTIONS OF THE NATIVE LANGUAGE SCHOOL (THE LAST THIRD OF THE XIX – THE BEGINNING OF THE XX CENTURY)”. Scientific Journal of Polonia University 40, no. 3 (February 5, 2021): 140-146. Accessed May 2, 2024. http://pnap.ap.edu.pl/index.php/pnap/article/view/538.