Budiharti, A., Utaminingsih, S. and Ismaya, E.A. 2022. Development of Blood Circular System E-Module Human Based on Science Assisted Flip Pdf Professionals for Improving Concept Understanding Class V Elementary Students. Uniglobal Journal of Social Sciences and Humanities. 1, (Sep. 2022), 59–67. DOI:https://doi.org/10.53797/ujssh.v1sp.10.2022.