Ecophysiological studies on tropical earthworms: Density biomass feeding biology metabolism digestive enzymes and their role in soil
Studies on taxonomy and ecology of Enchytraeidae (Oligochaeta) in tropical soils
Aspects of ecophysiological studies on tropical earth worms: Distribution population dynamics production energetics and their role in the decomposition process
Ecological studies on soil nematodes of some tropical ecosystems and their relationship with rhizosphere, environmental factors, herbage production and decomposition of organic matter