SIRAIT, Abadihon Fazli; LUBIS, Mara Samin. Pocket Book Design Based On Mathematical Puzzles To Improve The Mathematical Logical Intelligence Of Grade XI Students. Mathline : Jurnal Matematika dan Pendidikan Matematika, [S. l.], v. 8, n. 1, p. 68–85, 2023. DOI: 10.31943/mathline.v8i1.378. Disponível em: http://mathline.unwir.ac.id/index.php/Mathline/article/view/378. Acesso em: 27 feb. 2026.