Hubungan ciri karakter generasi Z dengan faktor keluarga, pilihannya terhadap cara pengajaran, pekerjaan yang diinginkan, dan pandangan mereka terhadap masalah sosial: studi kasus mahasiswa FMIPA UI = Character of generation Z relationship with family factors, their choice toward teaching method, desired occupation and their views of social problem: case study of students of FMIPA UI