On March 27, 1944, with the threat of possible landings of Allied forces to retake the Dutch East Indies increasing, the organizational structure of the Southern Expeditionary Army changed and the IJA 16th Army was reassigned to the Japanese Seventh Area Army. It remained headquartered in Jakarta as a garrison force as before.
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Frank, Richard B (1999). Downfall: The End of the Imperial Japanese Empire. New York: Random House. ISBN0-679-41424-X.
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