Yumniya A, Handayani DE. ANALISIS KETERAMPILAN PROSES SAINS SISWA KELAS IV DI SD NEGERI GUYANGAN. optika [Internet]. 2025Apr.21 [cited 2025Jun.7];9(1):01-15. Available from: https://e-journal.uniflor.ac.id/index.php/optika/article/view/4965