Joyce, Phil
Sage Publications , 2004
Buku Teks
Houston, Gaie
Sage, 2003
Buku Teks
Piaget, Jean
Basic Books, 1970
Buku Teks
Pascal, Gerald R.
Grune & Stratton, 1971
Buku Teks
Muhammad Ilham Arsyansyah
Fakultas Teknik Universitas Indonesia, 2019
UI - Skripsi Membership