@book{Syofian201710038,
  title     = {Metode Penelitian Kuantitatif Dilengkapi Dengan Perbandingan Perhitungan Manual & SPSS},
  author    = {Syofian Siregar},
  publisher = {Kencana Prenada},
  year      = {2017},
  isbn      = {978-602-9413-70-0},
}