The Indonesian urban informal sector : charateristics and growth from 1980 to 1990
Journal of Population, Vol. 3 No. 1 June 1997 : 37-66, 1997
 Artikel Jurnal
Arung Lamba
Urban informal sector business in regional economy / Arung Lamba
2011
 Artikel Jurnal
Sustaining livelihoods: promoting informal sector growth in Pacific island countries
United Nations Development Programme, 1997
 Buku Teks
Audita Sarah Amulia
Sektor informal urban studi kasus pedagang stasiun = Urban informal sector a study case on train stastion traders / Audita Sarah Amulia
2015
 UI - Skripsi Membership
Urban poverty and the underclass: areader
edited by Enzo Mingione
Blackwell, 1996
 Buku Teks