Amaliyah A, Wahyuni HD, Nura SA, Sahidah N. ANALYSIS OF STUDENT’S ABILITY IN COMPLETING OPERATIONS OF SUMMARY AND REDUCTION OF INTEGER NUMBERS. PROSPEK [Internet]. 2022 May 31 [cited 2024 Nov. 22];3(2):108-11. Available from: https://prospek.unram.ac.id/index.php/PROSPEK/article/view/249