1.
AKBAYIR K, AKÇA A. AN INVESTIGATION ON HOW MUCH THE SECONDARY SCHOOL STUDENTS LEARN THE PLACE VALUE CONCEPT IN NATURAL NUMBERS. JSHSR [Internet]. 31 Aralık 2017 [a.yer 30 Haziran 2024];4(15):2149-58. Erişim adresi: https://jshsr.org/index.php/pub/article/view/2270