ペカロンガン
Knight, G.R. (1995) Gully Coolies, Weed-Women and Snijvolk: The Sugar Industry Workers of North Java in the Early Twentieth Century. Modern Asian Studies 28(1):51-76.
Ricklefs, M.C. (1986) Some Statistical Evidence on Javanese Social, Economic and Demographic History in the Later Seventeenth and Eighteenth Centuries. Modern Asian Studies 20(1):1-32.