Saputri V, Rizal Kamsurya. THE NEWMAN PROCEDURE FOR ANALYZING STUDENTS’ ERRORS IN SOLVING SYSTEMS OF LINEAR EQUATIONS. KJPM [Internet]. 2021Apr.30 [cited 2024Apr.18];6(1):31-4. Available from: https://kalamatika.matematika-uhamka.com/index.php/kmk/article/view/435