STEPURA, I. S. CHARACTERISTIC OF SOFTWARE TOOLS EXELEARNING FOR THE DEVELOPMENT OF ELECTRONIC TEXTBOOKS. Educological discourse, [S. l.], n. 4 (8), p. 231–236, 2014. Disponível em: https://od.kubg.edu.ua/index.php/journal/article/view/157. Acesso em: 16 jul. 2024.