1.
Kusumaningrum W, Fakhruddin F, Prihatin T. Developing a Learning Tools of Problerm Based Learning (PBL) Using Number Pockets Media To Improve The Student’s Critical Thinking Ability in Social Science Subject Of 4th Grade Student of Elementary School. EM [Internet]. 23Dec.2021 [cited 22Nov.2024];10(3):498-07. Available from: https://journal.unnes.ac.id/sju/eduman/article/view/48655