YUNITA DALIMUNTHE; ISRA SUNA HASIBUAN. Development of Learning Problem Based Learning to Increase Mathematical Connection Ability Students of SMK Darul Arqom Kerasaan. International Journal Of Humanities Education and Social Sciences (IJHESS) , [S. l.], v. 4, n. 4, 2025. DOI: 10.55227/ijhess.v4i4.1517. Disponível em: https://ijhess.com/index.php/ijhess/article/view/1517. Acesso em: 2 may. 2026.