Proccedings on symposium on appropriate technology
Universuty of Indonesia, 1976
Buku Referensi
Duke Press Policy Studies , 1984
Buku Teks
Nasruddin, author
Faculty of Engineering, Universitas Indonesia, 2018
Artikel Jurnal
Crites, Ron
McGraw-Hill , 1998
Buku Teks
Sumardi, author
Fakultas Ilmu Komputer Universitas Indonesia, 2016
UI - Tugas Akhir