Niawati, Darma, and Sujarwo Sujarwo. 2022. “Pengembangan LKPD Berbasis Aktivitas Pada Mata Pelajaran IPS Materi Sumber Daya Alam Kelas IV SD”. Indonesian Research Journal on Education 2 (2):608-15. https://doi.org/10.31004/irje.v2i2.302.