Analysis Of Factors Causing Students To Learn Slowly At UPTD SD Negeri 124398 Pematangsiantar: Case Study. JKIP [Internet]. 19 mai 2026 [citat 30 iulie 2026];7(4):2293-302. Disponibil la: https://journal.al-matani.com/index.php/jkip/article/view/2423