Items where Author is "Riri, Syafiri Lubis"

Luly, Febriani and Riri, Syafiri Lubis (2022) The differences of reasoning ability and understanding of mathematics concepts teached with the CORE and CRH learning. Mahir: Jurnal Ilmu Pendidikan dan Pembelajaran, 1 (1): 5. pp. 37-53. ISSN 2830-3784