Pengaruh Durasi Penggunaan Gadget dan Durasi Belajar Mahasiswa Informatika terhadap Kemampuan Logika dan Hasil Belajar Matematika: The Influence of the Duration of Gadget Use and the Duration of Learning for Informatics Students on Logical Ability and Mathematics Learning Outcomes. JOBIT. 2024;1(1):9-21. doi:10.23971/jobit.v1i1.207