2011  International Seminar on Psychology, Bandung October 23-25.

2009  European Union Higher Education Round Table Discussion. Brussels, 30 June – 3 July.

2008  Asian – European Higher Education Round Table Discussion, Hanoi, 29 Nov – 2 December.

2008  International Seminar on Social Representation. Denpasar, 23 – 27 June.

2004  Student Development in Higher Education Seminar. Kuala Lumpur, 18-20 April.

2003  International Seminar on Tracer Study and Labor Market Signal Surveys: Experience Of Gadjah Mada University, Yogyakarta, 18 – 25 August.

2002  International Association of Cross-Cultural Psychology Meeting, Yogyakarta, 15-19 July.

Asia-Pacific Social Science and Medicine Meeting, Kunming, China, 14-19 October.

2001  Human Rights Training, Lund University, Sweden. November – December.

2000  University Management Training, University of Kassel, Germany, May – July.

1998  South-East Asian Clinical Epidemiology Network Meetings, Khon Kaen,
Thailand.

WHO’s Adolescence Sexual Behaviors Workshop, Bangkok, Thailand.

1997  International Clinical Epidemiology Network Meetings, Penang, Malaysia.

9th Asian Meetings on Child and Adolescent Development, Bandar Seri Begawan, Brunei Darussalam.

1996  South-East Asian Clinical Epidemiology Network Meetings, Cebu, the Philippines.

1995  Cross-cultural Research on Aggression Meetings, University of Southern California, Los Angeles,  USA.

1993  Society for Research in Child Development Biennial Meetings, New Orleans, Louisiana, USA.

1990  Cultural enhancement program : 3 days block of homestay to the Malinoux family, Houston, Texas, USA sponsored by Fulbright.

Developmental Research Meetings, Oklahoma State University, Stillwater, Oklahoma, USA.

Southwestern Society for Research in Human Development Meetings, Dallas,     Texas, USA.

1989  Comparison study at Rice University, Houston, Texas, USA under Fulbright scholarship.

Comparison study at Mailman Center for Research in Children, University of
Miami, Miami, Florida, USA under Fulbright scholarship.

1984  Steansted-Abbot Junior Mixed Infant School, Essex, England: A week block observation of the provisions, education philosophy, and learning process in this church-affiliated school, under the British Women’s Council scholarship.

School for Mentally Handicapped Children, Hertfordshire, England: A week block observation of the provision, education philosophy, and learning process in this special school.

International Planned Parenthood Programme, University of Cardiff, Wales, United Kingdom: A short course in World Population.

1983  Westminster-Abbey Children Hospital, London, England: A short course in Tropical Diseases in children.

Marks and Spencer, Harlow, England: A short course in Healthy Food Management.

Chalk Dell Nursery and Elementary School, Hertford, England: A week block observation of the provisions, education philosophy, and learning process of this integrated school.

1980  Comparison study at Chulalongkorn University, Bangkok, Thailand under South-East Asian Youth Exchange Program.

Comparison study about education and culture at Gifu Prefecture, Japan.