The New Zealand Education Canter, [date of publication not identified]
Buku Referensi
Ichtiar Baru-Van Hoeve, 1989
Buku Referensi
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1983
UI - Skripsi Membership
Bambang Suharto, author; Iwan Darmansyah, author; S.L. Purwanto, author; Sigarlaki, author; Andi Sutianto, author
Medipress, 1976
Buku Referensi
Mohammad Firman Fadillah, author
Fakultas Teknik Universitas Indonesia, 2016
UI - Skripsi Membership