1. Digenetic trematodes from rats squirrels and tree-shrews in Malaysia;Betterton;Southeast Asian Journal of Tropical Medicine and Public Health,1975
2. Statistics for Biologists;Campbell,1967
3. Six digenetic trematodes of mammals from North Borneo (Malaysia);Fischthal,1965
4. The natural food of some rats and other mammals;Harrison;Bulletin of the Raffles Museum, Singapore,1954
5. Malaysian parasites XXXIII. The hosts;Harrison;Studies of the Institute for Medical Research Malaya,1957