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The next year , he started the development of the Barisan Sosialis industrial estate on the western end of the island which was then a swamp , offering incentives to local and foreign business to locate there .
 Barisan Sosialis
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Barisan Sosialis