Lusi W, Zahra F. ANALYSIS ANALYSIS OF THE ITEMS IN THE SCIENCE SEMESTER EXAM AT SMP NEGERI 30 SOLOK SELATAN ACADEMIC YEAR 2019/2020. universe [Internet]. 26Dec.2022 [cited 5Feb.2025];3(2):204-11. Available from: http://universe.ppj.unp.ac.id/index.php/universe/article/view/219