Istikomah, Istikomah, and Ana Andriani. 2025. “Analysis of Student Activity and Learning Outcomes in 21st-Century Innovative Learning With the PjBL Learning Model in 5th Grade of Elementary School”. Proceedings Series on Social Sciences & Humanities 25 (August):573-76. https://conferenceproceedings.ump.ac.id/pssh/article/view/1752.