Budiharti A, Utaminingsih S, Ismaya EA. Development of Blood Circular System E-Module Human Based on Science Assisted Flip Pdf Professionals for Improving Concept Understanding Class V Elementary Students. UJSSH [Internet]. 2022 Sep. 16 [cited 2025 Apr. 3];1:59-67. Available from: https://ujssh.com/index.php/ujssh/article/view/21