H. Soedjito
Soedjito, H., and Steward T. A. Pickett. 1996. “Root Systems, Nutrient Dynamics, and Kenyah Environmental Knowledge”. In C. Padoch and N. L. Peluso (eds.). Borneo in Transition: People, Forest, Conservation, and Development, 221-29. Oxford University Press, New York.
Soedjito, H. 1990. “Root Systems of Successional and Old-Growth Forest Species and Its Role in Nutrient Dynamics Within a Tropical Rainforest in Indonesia”. Rutgers University.