Putri, Ari Anggreni, I Wayan Widiana, and Kadek Suranata. 2021. “Instrumen Alat Ukur Pengetahuan Konseptual Siswa Kelas IV Sekolah Dasar”. Journal for Lesson and Learning Studies 4 (3):281-88. https://doi.org/10.23887/jlls.v4i3.39098.