Nasution, Tiflah Addina Khairiah, et al. “Item Analysis of Thematic Examination Questions for Grade 5 Students Theme 6 Even Semester 2021 2022 Academic Year in Sibolga City”. Jurnal Pembangunan Pendidikan: Fondasi Dan Aplikasi, vol. 11, no. 2, Sept. 2024, doi:10.21831/jppfa.v11i2.57539.