Tampubolon, S., Sihaloho, F. A. S. and Hasibuan, V. U. (2022) “IMPROVING STUDENT LEARNING OUTCOMES IN MATHEMATICS SUBJECTS USING PROBLEM SOLVING METHODS IN CLASS IV SD 107400 B. KHALIPAH ACADEMIC YEAR 2020-2021”, REKOGNISI : Jurnal Pendidikan dan Kependidikan (E-ISSN 2599-2260), 7(2), pp. 28–34. Available at: https://jurnal.unusu.ac.id/index.php/rekognisi/article/view/152 (Accessed: 9 April 2025).