Symposium on Appropriate Technology. November 30, 1976, Jakarta
Jakarta: University of Indonesia, 1977
Buku Teks
edited by S.S. Hsueh and M.K. Tadjudin
Universitas Indonesia , 1976
Buku Teks
Proccedings on symposium on appropriate technology
Universuty of Indonesia, 1976
Buku Referensi
edited by Mathew J. Betz, Pat McGowan and Rolf T. Wigand
Duke Press Policy Studies, 1984
Buku Teks
Darrow, Ken
Volunteers in Asia, 1981
Buku Teks SO