Asas-asas penelitian behavioral

 Kerlinger, Fred N.; Simatupang, Landung R.;

Yogyakarta : Gadjah Mada University Press , 2004

Survei konsumsi gizi

 Supariasa, I Dewa Nyoman; Kusharto, Clara M.;

Yogyakarta : Graha Ilmu , 2014

Privacy and security in the digital age

 Cunningham, Anne;

New York : Greenhaven Press , 2017