Astuti, Novi, and Kusno Kusno. 2025. “Upaya Meningkatkan Keterampilan Kolaborasi Siswa Kelas IV SDN Ledug Melalui Model Problem Based Learning Pada Mata Pelajaran IPAS”. Proceedings Series on Social Sciences & Humanities 24 (July):317-22. https://doi.org/10.30595/pssh.v24i.1613.