Pertiwi S, Dasari D, Sumiaty E. HIGH SCHOOL STUDENTS’ ONTOGENIC OBSTACLES IN SOLVING SOLID GEOMETRY PROBLEMS VIEWED FROM SPATIAL ABILITY. Future of Education [Internet]. 2024Jan.11 [cited 2024May20];6(1):1-11. Available from: http://www.tiikmpublishing.com/proceedings/index.php/foe/article/view/1340