The Head of Social Psychology Department Faculty of Psychology, Gadjah Mada University

The Head of Drug Abuse Prevention. Gadjah Mada UniversityProfessor in Social Psychology at the Faculty of Psychology, Gadjah Mada University

Sexuality, Social and Family Psychology, Social Change and  Social Policy, Qualitative Research, Social Change and Problems; Grassroots & Prostitution, Poverty, Community Planning and Interventions.