Harasim, Linda, 1949-
Learning theory and online technologies
Routledge, Taylor & Francis Group, 2017
 Buku Teks
Online collaborative learning : theory and practice
Information Science Pub., 2004
 Buku Teks
The Application of e-learning in tutorial process
 Artikel Jurnal
Ucu Rahayu
Pengembangan tutorial online yang mengintegrasikan panduan belajar mandiri untuk melatih self regulated learning/ Ucu Rahayau, Ari Widdo
Badan Penelitian dan Pengembangan Kementerian Pendidikan dan Kebudayaan, 2017
 Artikel Jurnal
Wadsworth, Barry J.
Piaget`s theory of congnitive and affection development: foundations of constructivism / Barry J. Wadsworth
Longman , 1971
 Buku Teks