Joint soil research project UPM-Belgium : annual report - Universiti Pertanian Malaysia. Fakulti Pertanian (Selangor : Universiti Pertanian Malaysia, 1980)
vol.1. Soil physics - vol.2. Clay mineralogy - vol.3. Soil chemistry.
PTSL : 1979, 1980, 1981, 1982-1983.
Keywords: Soil research -- Malaysia; Soil physics -- Malaysia; Soil chemistry -- Malaysia; Clay soils -- Malaysia