Teeuwen, Danielle. “Plantation Women and Children: Recruitment Policies, Wages and Working Conditions of Javanese Contract Labourers in Sumatra, C. 1870-1940”. TSEG - The Low Countries Journal of Social and Economic History 19, no. 1 (April 20, 2022): 7–36. Accessed June 27, 2022. https://tseg.nl/article/view/8431.