Final report : Consultative Workshop on Conservation of Ancient Cities and/or Settlements (I-W12), Jakarta, Malang, Indonesia, June 21-28, 1987

Final report : Workshop on Community-based Conservation and Maintenance of Historic Buildings/Living Monuments (S-W111), Bangkok, Thailand, August 23-30, 1987

Final repots : Unesco-SPAFA Workshop on the Principles and Methods of Preservation Applicable to the Ancient Cities of Asia, Chiang Mai, Thailand, November 6-12, 1988

Final report, Seminar in Prehistory of Southeast Asia (T-W11) / Seameo Project in Archaeology and Fine Arts

Workshop on research and operation in the field of water resources development; vol. I-III