Crisis,proverty and agriculture in indonesia Peter G.Warr
Artikel Jurnal
Two blades of grass: rural cooperatives in agricultural modernization / edited by Peter Worsley
Manchester University Press, 1971
Buku Teks
Jähne, Johannes
Construction of roads and tracks in rural areas
Leipzig, 1964
Buku Teks
Finance : the New Palgrave / edited by John Eatwell, Murray Milgate, Peter Newman
W.W. Norton & Co., 1989
Buku Teks
Spacecraft systems engineering / edited, Peter Fortescue, John P.W. Stark
John Wiley & Sons, 1992
Buku Teks