Süleyman AYDIN, Pınar URAL KELEŞ,Havva HAFIZOĞLU. THE MENTAL MODELS OF THE SECONDARY SCHOOL STUDENTS ABOUT THE SUN, THE EARTH AND THE MOON SYSTEM. IJOESS [Internet]. 2018 Dec. 1 [cited 2025 Jun. 16];9(34):2425-37. Available from: https://rrpubs.com/index.php/ijoess/article/view/1148