Collins, Hill Patricia
Intersectionality
Polity Press, 2016
 Buku Teks SO
Barling, Julian
Work and sleep: research insights for the workplace
Oxford University Press, 2016
 eBooks
Ridha Aditya Nugraha
Legal issues surrounding airline alliances and codeshare arrangements: insights for the indonesian and asean airline industries / Ridha Aditya Nugraha
University of Indonesia, Faculty of Law, 2018
 Artikel Jurnal
International journal of business insights and transformation
ITM Business School, 2008
 Majalah, Jurnal, Buletin
Second language writing : research insights for the classroom
editedby Barbara Kroll
Cambridge University Press, 1990
 Buku Teks SO