1. 01 មករា 1991 302 pages, illustrated, photos Studies in Technology and Social Change, no. 19
  2. 01 មករា 2000 This report is the culmination of the participatory approach to guideline development, in keeping with the basic, integrated philosophy of the Alternatives to Slash-and-Burn programme. 33 pages, tables
  3. 01 មករា 1991 Long-term agroforestry demonstrations trials using Acacia albida and other nitrogen fixing multipurpose trees/shrubs were initiated in mid-1982 to assess soil and crop productivity at a coastal lowland site characterized by low soil fertility, weed problems and consequent poor crop yields. 12...