Slavin, Robert E.
Cooperative learning: theory, research, and practice
Allyn and Bacon, 1995
 Buku Teks
Collaborative knowledge creation: practice, tools, concepts
Anne Moen, Anders I. Morch, Sami Paavola, editor
[, Sense], 2012
 eBooks
Online collaborative learning : theory and practice
Information Science Pub., 2004
 Buku Teks
Justine Yohana Mardhianti
Sistem sosial membantu terbentuknya kondisi belajar kondusif di sekolah inklusi = Social system helps to create a conducive learning situation in school with inclusion system
2016
 UI - Skripsi Membership
Evi Aulia
Hubungan kelompok penugasan dengan tingkat pemahaman Mahasiswa Ekstensi 2005 terhadap mata kuliah
Fakultas Ilmu Keperawatan Universitas Indonesia, 2006
 UI - Tugas Akhir