Afgan Fadilla
2019
UI - Tesis Membership
Unesco, 1979
Buku Teks SO
edited by Peter Worsley
Manchester University Press, 1971
Buku Teks SO
Dubhashi, P. R.
Sage Publications, 1986
Buku Teks SO
by Noboru Hashizume ... [and others]
National Research Institute of Agricultural Economic, Ministry of Agriculture, Forestry and Fisheries , 2000
Buku Teks SO