the social psychology of protest = protes dalam kajian psikologi sosial

gan Bert Klandemans, helly p. soetjipto
Cyhoeddwyd 2005

Prejudice : Its Social Psychology = Prejudice : Menangani

gan Rupert Brown, Helly P. Soetjipto, Sri Mulyan
Cyhoeddwyd 2005

Social Conflict : Escalation, Talemate, and Settlement = Teori Konflik Sosial

gan Dean G. Pruitt, Helly P. Soetjipto dan Sri Mul
Cyhoeddwyd 2011

Theory and Pracktise of Counselling and Therapy, Fourth Edition = Teori dan Praktik Konseling dan Terapi

gan Richard Nelson-Jones, Helly P. Soetjipto dan Sri Mul
Cyhoeddwyd 2011