Arbie Sundoyo
Pengembangan Model Dinamis Sistem Manajemen Sampah Plastik Indonesia Dengan Mempertimbangkan Interaksi Sektor Formal dan Informal = Development of a Dynamic Model of Indonesia's Plastic Waste Management System by Considering the Interaction of the Formal and Informal Sector
Fakultas Teknik Universitas Indonesia, 2022
 UI - Tesis Membership
Sower, Christopher
Community involvement: the webs of formal and informal ties that make
Free Press, 1957
 Buku Teks SO
Fenita Indrasari
Looking for smart settlement: Formal vs informal
Research Institute for Human Settlements , 2020
 Artikel Jurnal
Haning Nugrahadi
Relasi relasi informal dalam berubahnya otoritas kepemimpinan organisasi formal = Informal relationships role in shifting authority on formal organization
[Fakultas Ilmu Sosial Dan Ilmu Politik Universitas Indonesia, ], 2016
 UI - Makalah dan Kertas Kerja
Hafizka Chandra Dewanti
Berbagi ruang sektor formal dan informal di kawasan Kemang = Space sharing between formal and informal sector in Kemang area
2017
 UI - Skripsi Membership