Rybczynski, Witold
Dorset Prism Press 1980, 1980
Buku Teks
Elsevier Science Inc., 660, 2018
Majalah, Jurnal, Buletin
Faculty of Engineering. Universitas Indonesia, 2010
Majalah, Jurnal, Buletin
American Society of Mechanical Engineers, 2018
Majalah, Jurnal, Buletin
Symposium on Appropriate Technology. November 30, 1976, Jakarta
Jakarta: University of Indonesia, 1977
Buku Teks