Surono, Ingrid S. (2015). Traditional Indonesian dairy foods(PDF). Asia Pacific Journal of Clinical Nutrition. p. 26. Archived from the original(PDF) on December 30, 2016. Retrieved April 25, 2018.
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Surono, Ingrid S. (2015). Traditional Indonesian dairy foods(PDF). Asia Pacific Journal of Clinical Nutrition. p. 26. Archived from the original(PDF) on December 30, 2016. Retrieved April 25, 2018.