Kalinichenko ЛМ. THE ROLE OF EDUCATIONAL TASKS WHICH HAVE DEVELOPING CHARACTERISTICS IN FORMATION OF CREATIVE THINKING OF PRIMARY SCHOOL STUDENTS BY MATERIALS UKRAINIAN EDUCATION TUTORIALS IN 1980–1990. ПСП [Internet]. 2015 Dec. 30 [cited 2024 May 18];(15):268-75. Available from: https://ipvid.org.ua/index.php/psp/article/view/467