Triwahyudianto, T. et al. 2024. PBL-based liveworksheet e-LKPD to improve critical thinking ability in 4th class primary school science learning. Jurnal Bidang Pendidikan Dasar. 8, 1 (Jan. 2024), 96–104. DOI:https://doi.org/10.21067/jbpd.v8i1.10371.